{"title":"Taxonomy \u003e Plumbing \u003e Valves \u0026 Accessories \u003e Relief Valves \u003e Pressure Relief Valves","description":null,"products":[{"product_id":"sioux-chief-648wg3wrv","title":"SIOUX CHIEF 648WG3WRV 3\/4 LF RELIEF VLV 6","description":"This Thermal Expansion Relief Valve shall be used to provide means for controlling increased pressure caused by thermal expansion in water distribution systems. Thermal expansion relief valve shall discharge water and excess pressure as needed to prevent explosions or other damage to the water heater or surrounding structure. Discharged water shall be directed through an outlet line to the floor drain or water heater pan. Valve connections shall conform to appropriate standards including ASTM fitting end specifications.","brand":"Sioux Chief","offers":[{"title":"Default Title","offer_id":47608757715182,"sku":"269827","price":45.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/9f612e1c7128a328e0d65344d37c6e9032513c3b.jpg?v=1780322502"},{"product_id":"zurn-12-p1500xl","title":"WILKINS 12-P1500XL LF CBZ VLV","description":"The 1\/2 in Pressure Relief Valve is designed to protect plumbing systems, tanks, and equipment from excessive pressure buildup. It automatically opens at a preset pressure to release excess fluid and prevent damage, then reseats once normal pressure levels are restored.","brand":"Zurn","offers":[{"title":"Default Title","offer_id":47612472328430,"sku":"20150","price":56.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/2e7f19dde73e997ed65a443c0a0273ae404fe6a8.jpg?v=1780322502"},{"product_id":"cashacme-19783-0150","title":"CASH 19783-0150 3\/4 T\u0026P RELIEF VALVE LONG SHANK","description":"The NCLX T\u0026amp;P Relief Valve incorporates an inert thermal element coating that provides effective isolation from mineral deposits (liming) and galvanic corrosion. The NCLX features include a cast bronze body, brass and stainless steel internal parts, silicone seat disc and stainless steel spring. The NCLX comes standard with a test lever. The valve is completely automatic and reseats after either temperature or pressure relief. NCLX Combination Temperature and Pressure Relief Valve is designed for the protection of water heaters and storage tanks and are ideal for all domestic water heater applications.","brand":"Cashacme","offers":[{"title":"Default Title","offer_id":47612472459502,"sku":"111850","price":27.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/07491e59db14167b38693bc3adb40ea72a5fd742.jpg?v=1780322501"},{"product_id":"jomar-100-080rvssg","title":"JOMAR 100-080RVSSG 3\/4\" JF-100RVG THERMAL EXPANSION RELIEF VALVE NPT","description":"The Lead Free Brass Ball Valve is designed for reliable shutoff and flow control in potable water and general plumbing systems. Featuring a 2-piece full port design, it allows maximum flow with minimal pressure drop. Built with stainless steel trim, it offers durability and corrosion resistance for long-term performance.","brand":"Jomar","offers":[{"title":"Default Title","offer_id":47621837750510,"sku":"105242","price":55.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/f82d265759916108577d7287b25a02718aa80ab5.jpg?v=1780322502"},{"product_id":"caleffi-535351ha","title":"CALEFFI 535351HA PRESSCAL PRV ASSE 1003, FEMALE 3\/4IN NPT W\/ PRESSURE GAUGE","description":"The Pressure Reducing Valve is designed to regulate and maintain a consistent downstream pressure, protecting plumbing systems and equipment from excessive inlet pressure. Featuring NPT threaded connections, it allows for secure and straightforward installation in a wide range of piping systems.","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":47621837947118,"sku":"244440","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/0bc2a81c8526a32d3a1bd9e467b46166cc3016eb.jpg?v=1780322501"},{"product_id":"camco-10473","title":"CAMCO 10473 T\u0026P VALVE","description":"The Camco Automatic Temperature and Pressure Relief Valve is a safety device designed to protect water heaters from excessive temperature and pressure buildup. It automatically releases water when preset limits are exceeded, helping prevent damage or failure in residential or RV water heating systems.","brand":"Camco","offers":[{"title":"Default Title","offer_id":47621838864622,"sku":"158657","price":22.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/0448d3465320cb3f441b9cfff2fb6149ec97d83b.jpg?v=1780322502"},{"product_id":"cashacme-15836-0150","title":"CASH 15836-0150 NCLX-5 3\/4 T\u0026P RLF VLV","description":"The Cash Acme is a reliable Temperature Relief Valve designed to protect residential water heaters and hot water storage tanks from excessive pressure and temperature buildup. It automatically opens at preset limits to release water and prevent system failure, then reseats once safe conditions are restored.","brand":"Cashacme","offers":[{"title":"Default Title","offer_id":47621839093998,"sku":"176511","price":23.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/fb4266d60e3197d3c527631c6892ab0b7415c6a9.jpg?v=1780322502"},{"product_id":"watts-0372271","title":"WATS 0372271 530C-STD3\/4 3\/4 530C PRS RLF VLV","description":"This 3\/4 in calibrated pressure relief valve is used in commercial, residential and industrial applications to protect against excessive pressure in systems containing water, oil, or air. It consists of a bronze body construction with 3\/4 in NPT threaded male inlet and 1\/2 in NPT threaded female (drain) outlet connections, stainless steel spring, brass bonnet, Buna-N disc, and Buna-N O-ring, has a calibrated adjustment feature for setting the valve to the required relief pressure, and is ideal for bypass thermal expansion pressure relief. It is for use in fire protection systems. The maximum pressure is 300 psi (20.67 bar). The adjustable pressure range is 50 to 175 psi (3.45 to 12.06 bar).","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621839257838,"sku":"109293","price":200.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/30b4fae0d1ea63ae8fbf474b2595ddba7325b967.jpg?v=1780322502"},{"product_id":"sunbelt-hpsrv3","title":"HYDRAPRO HPSRV3 3 GREY SEWER RELIEF VALVE","description":"This Sewer Relief Valve is designed to help protect plumbing systems from potential sewer backups and pressure buildup. The valve installs in sewer or drainage lines and automatically opens when excess pressure occurs, allowing wastewater to discharge safely and preventing damage to plumbing fixtures or property. It is built to withstand outdoor conditions and long-term exposure. The spring-loaded cover helps keep sewer gases contained while allowing reliable operation when pressure increases. Its compact design and simple installation make it a practical solution for residential and light commercial plumbing systems.","brand":"Sunbelt","offers":[{"title":"Default Title","offer_id":47621839782126,"sku":"202781","price":13.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/068900f6f691306573ca59235170d200f8fcd01d.jpg?v=1780322502"},{"product_id":"braxton-harris-srv4","title":"BRAXTON HARRIS SRV4 4\"\" SEWER RELIEF VALVE","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. Designed for use in outside cleanouts to eliminate costly damage due to sewage back-up. Fits 3 in cast iron or plastic pipes. Provides a visible warning that sewage is backing up. Spring loaded to automatically close, preventing sewer gases from escaping.","brand":"Braxton Harris","offers":[{"title":"Default Title","offer_id":47621840535790,"sku":"210442","price":11.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/542289f9e37fd81763e526da17fd1e6426b799ea.jpg?v=1780322502"},{"product_id":"watts-0066132","title":"WA34LL100XL WATTS 3\/4\" T\u0026P VALVE F-FV HTR #0066132 HAS 2\" SHANK AND 21\/2\" PROBE","description":"This Valve is typically installed on the side or top of a water heater and is factory-set to open when pressure or temperature exceeds safe limits, commonly 150 PSI and 210°F. It automatically discharges water to relieve dangerous conditions and then reseats once normal levels are restored. ","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621840699630,"sku":"21165","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/b7bb09db135d22c52ed187bd69fae9e5435447d8.jpg?v=1780322502"},{"product_id":"watts-0121344","title":"WATS 0121344 LF100XL175-2103\/4 3\/4 RELIEF VLV","description":"The 3\/4 in Temperature \u0026amp; Pressure Relief Valve is a safety device designed to protect water heaters and hot water storage tanks from excessive pressure and temperature buildup. It automatically releases water when preset limits are exceeded and reseats once normal conditions are restored.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621842895086,"sku":"151458","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/25e7416dd8c54bd5e7eb0cd2d92e5f8981a70c9c.jpg?v=1780322501"},{"product_id":"watts-0556035","title":"WA12LF530C WATTS 530C 1\/2 PRES RL VLV","description":"This Relief Valve 1\/2 In is a key component for effective pressure control. Widely used in various industrial applications, this relief valve ensures optimal safety and performance. This is designed for use in systems requiring precise pressure control. It is constructed to prevent overpressure scenarios and maintain system integrity.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621844566254,"sku":"23742","price":259.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/724db6f522d3a96a6ac8d8f30df7b83c86a4767a.jpg?v=1780322501"},{"product_id":"watts-0009464","title":"WA2LF25AUBSZ3 WATTS 2 25AUBSZ3 PR VLV SWT","description":"The 2 in Lead Free Water Pressure Reducing Valve is designed to regulate incoming water pressure to a safe and consistent level, helping protect plumbing systems and fixtures. Built from lead-free cast copper silicon alloy, it offers durability and reliable performance for potable water applications in residential and commercial systems.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621844992238,"sku":"23746","price":3493.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/71e93bccada05e17cda9c7ebaf84a7397b35df9a.jpg?v=1780322502"},{"product_id":"sunbelt-hpsrv4","title":"HYDRAPRO HPSRV4 4 GREY SEWER RELIEF VALVE","description":null,"brand":"Sunbelt","offers":[{"title":"Default Title","offer_id":47621845188846,"sku":"192440","price":17.19,"currency_code":"USD","in_stock":true}]},{"product_id":"watts-0009486","title":"WA34LFN45BDUCPV WATTS 3\/4 N45 CPVC PRV NL 12","description":"The 3\/4 in Water Pressure Reducing Valve is designed to regulate incoming water pressure to a safe and consistent level, helping protect plumbing systems and reduce water consumption in residential, commercial, and industrial applications. Featuring double union CPVC connections, this valve allows easy installation and servicing without removing it from the pipeline. Its lead-free construction ensures safe use in potable water systems.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621845221614,"sku":"23747","price":411.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/1a77bea0c2ba0873c57873975ee4e584b50996b9.jpg?v=1780322502"},{"product_id":"pasco-srv4000","title":"PASCO SRV4000 4IN RELIEF VALVE","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. A Sewer Relief Valve designed to help protect plumbing systems from costly damage caused by sewer line backups. It installs easily into an existing outdoor cleanout and automatically opens when pressure builds up in the sewer line, allowing sewage to escape safely instead of backing up into the building. The internal spring mechanism helps prevent sewer gases from escaping under normal conditions while still providing reliable pressure relief when needed. Constructed from durable ABS plastic, it offers long-lasting performance and is available in sizes to fit common cast iron or plastic sewer pipes.","brand":"Pasco","offers":[{"title":"Default Title","offer_id":47621846270190,"sku":"193024","price":7.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/3db097381717f65d528333ca76326ae10e71b549.jpg?v=1780322502"},{"product_id":"caleffi-535391ha","title":"CALEFFI 535391HA PRESSCAL PRV ASSE 1003, FEMALE 2IN NPT W\/ PRESSURE GAUGE","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. This series Pressure Reducing Valves, ideal for residential and commercial applications, feature a dial indicator with direct readout allowing easy pressure pre-adjustment. After installation, the valve will control at the pre-adjusted pressure setting. The valve is constructed of DZR low-lead forged brass and incorporates a unique noise reducing and high flow seat design, is easily serviced with a replaceable cartridge and has an integral stainless steel filter (35 mesh), suitable for water systems that may contain sediment and debris.","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":47621846696174,"sku":"263017","price":792.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/b3a3587386df415f69dd032f41b9dae9e8e3d9c4.jpg?v=1780322502"},{"product_id":"watts-0066103","title":"WATS 0066103 100XL-175-210 3\/4 BRZ T\u0026P RFL VLV","description":"The 3\/4 in Temperature and Pressure Relief Valve is designed to provide automatic protection against excessive temperature and pressure in hot water supply tanks and water heaters up to 105,000 BTU\/hr. This dual-function safety valve helps prevent system damage or failure by releasing pressure and temperature during emergency conditions.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621847908590,"sku":"143724","price":110.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/c2da93fd0676a526142a0ec16668eab714ca5f1d.jpg?v=1780322502"},{"product_id":"american-granby-rv75nl","title":"AMERICAN GRANBY RV75NL BRNZ RELF VL 3\/4X1\/2 75PSI NL","description":"This Pressure Relief Valve is a compact, high-performance safety component designed to protect water systems from excessive pressure buildup. Engineered for use in shallow and deep well systems, submersible pumps, and other pressurized water applications, this valve begins to relieve pressure at 75 psi, helping prevent damage to tanks, pipes, and fittings.","brand":"American Granby","offers":[{"title":"Default Title","offer_id":47621849514222,"sku":"226240","price":53.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/f7ee617090f3827cec74faf33b36eb7f9dfb8b90.jpg?v=1780322502"},{"product_id":"watts-0298597","title":"WA2223SBLF WATTS 2 223SB PRV W\/STRAINER LF","description":"This 2 in High Capacity Pressure Valve is commonly installed at the meter in residential, commercial and industrial buildings. It is designed to control the water pressure flowing to all the appliances and outlets within the building and provides an inexpensive means of supplying lower, more functional water pressure to outlets and appliances. It features a bronze body construction, bypass to control thermal expansion pressure, NPT threaded female inlet with strainer by NPT female threaded outlet, high temperature resisting enlarged diaphragm for hot or cold temperatures, a sealed spring cage and seat orifice for high capacity performance.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621850071278,"sku":"10965","price":13098.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/3053dd534d9b6537ae775f5aa4f48d575d9709e6.jpg?v=1780322501"},{"product_id":"camco-10493","title":"CAMCO 10493 3\/4IN T\u0026P VLV EXT INLETu","description":"The 3\/4 in Temperature and Pressure Relief Valve with 2.5 in shank and 4 in probe is a safety device designed to protect water heaters and storage tanks from excessive temperature and pressure buildup. It automatically releases water when preset limits are exceeded, helping prevent system damage or failure.","brand":"Camco","offers":[{"title":"Default Title","offer_id":47621850366190,"sku":"195791","price":26.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/e72296c4540264ccc4bcfcde1977f061acc920de.jpg?v=1780322502"},{"product_id":"rinnai-107000639","title":"RINNAI 107000639 DEDICATED RETURN WITH ISOLATION VALVES AND PRV KIT (HOT, COLD IV INCLUDED)","description":"The Dedicated Return with Hot \u0026amp; Cold Isolation Valves \u0026amp; PRV Kit is designed for tankless water heater systems with recirculation capability. It provides a complete solution for efficient hot water circulation, system protection, and easy maintenance. The integrated pressure reducing valve (PRV) helps regulate incoming water pressure, ensuring optimal system performance.","brand":"Rinnai","offers":[{"title":"Default Title","offer_id":47621850398958,"sku":"304839","price":252.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/90bc5d89c883966dcfb26581efdea995197b114b.jpg?v=1780322502"},{"product_id":"camco-10427","title":"CAMCO 10427 3\/4 LF RLF VLV","description":"The 3\/4 in Temperature and Pressure Relief Valve is a critical safety device designed for water heaters and hot water storage tanks. It automatically releases excess pressure and temperature to prevent tank damage or potential failure, ensuring safe system operation. It features a 3-5\/16 in long shank, making it suitable for installations with thicker insulation or extended reach requirements.","brand":"Camco","offers":[{"title":"Default Title","offer_id":47621850530030,"sku":"195792","price":35.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/6a96cd09d0ca78e48c503bf4a72097a966bfeac1.jpg?v=1780322502"},{"product_id":"watts-0009430","title":"WA11225AUBSLF WATTS 1-1\/2 25AUBS PRV SWT LF","description":"This 1 1\/2 in Lead Free Water Pressure Reducing Valve is designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for commercial, industrial and residential applications. The easy maintenance assembly consists of a replaceable seat module, a solder union inlet by NPT female outlet and a bypass feature to control thermal expansion pressure.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621850923246,"sku":"24982","price":2391.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/580c55a5c149e5f23ff486fc649ae22f4d95aaed.jpg?v=1780322502"},{"product_id":"watts-0556003","title":"WA34L100XLLF WATTS L100XL 3\/4 T\u0026P 150PSI 105K #0556003 HAS 11\/6\" SHANK AND 3\" PROBE","description":"This 3\/4 in lead free temperature and pressure relief valve is designed to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU\/hr. This two-in-one relief valve provides a proven and cost effective means to protect against excessive temperature and pressure emergency conditions. It features a lead free copper alloy body with extended shank to accommodated up to 2 IN of insulation, NPT male inlet and NPT female outlet connections, a unique thermostat with special thermo-bonded coating, and test lever. The temperature relief is 210 degrees F (99 degrees C) and the pressure relief is set at 150 psi (10.3 bar).","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621851283694,"sku":"24990","price":130.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/06f8875dd2305b1022f5f4037607a954a81906f6.jpg?v=1780322501"},{"product_id":"watts-0066100","title":"WA34100XLLF WATTS 100XL 3\/4 T\u0026P 150PSI 105K #0066100 HAS 11\/8\" SHANK AND 4\" PROBE","description":"The 3\/4 in Brass Temperature and Pressure Relief Valve is a critical safety device designed for water heaters and hot water storage tanks. It automatically releases excess pressure and temperature to prevent system damage or failure, ensuring safe operation in residential and commercial plumbing systems.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621851611374,"sku":"24992","price":65.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/b19b3b428547e3c33de6b92976be4e89dfe814ea.jpg?v=1780322501"},{"product_id":"zurn-p1000axl-150c","title":"WILKINS P1000AXL-150C LF 3\/4 RELIEF VLV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. Pressure Relief Valve is utilized on water heating storage vessels for protection against over-temperature or excessive pressure (not for steam service). Primarily used on storage tanks, it includes cast brass or bronze for the main valve body, quality stainless steel 300 series internals, stainless steel springs, and FDA approved, epoxy-coated copper tube probes. Multiple pressure relief settings and inlet\/outlet connection options provide easy, ultra versatile installation capabilities.","brand":"Zurn","offers":[{"title":"Default Title","offer_id":47621855379694,"sku":"143755","price":52.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/6252df7c026998f6cb75c80def16a0dd519210c8.jpg?v=1780322502"},{"product_id":"zurn-12-p1550xl-75","title":"WILKINS 12-P1550XL-75 LF CBZ VLV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. The 1\/2 in Pressure Relief Valve is designed to protect plumbing and fluid systems from excessive pressure buildup. It automatically opens at a preset pressure to release excess fluid and reseats once safe conditions are restored, ensuring reliable system protection. Constructed from durable materials such as brass or bronze, this valve features MNPT x FNPT threaded connections for secure and straightforward installation.","brand":"Zurn","offers":[{"title":"Default Title","offer_id":47621855772910,"sku":"145889","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/cd708e60ab5a5f96d5d73e0b51cc76e08258084c.jpg?v=1780322502"},{"product_id":"watts-0121421","title":"WA34LF40XL8 WATTS LF40XL8 T\u0026P VLV 150PSI","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. The Lead Free Temperature \u0026amp; Pressure Relief Valve is designed to provide automatic protection for hot water heaters and storage tanks by relieving excess temperature and pressure. Suitable for commercial and residential applications, it can be installed in the hot water outlet within the allowable distance from the top of the tank.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621856952558,"sku":"21312","price":957.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/90fe08e8e3e86e5e39ff6f7b5d2867bde8c02a71.jpg?v=1780322502"},{"product_id":"jones-stephens-s62100","title":"JONES STEPHENS S62100 SRV PVC SEWER RELIEF VALVE","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. This 4-1\/2 in PVC Solvent Weld Relief Valve designed for effective waste management and plumbing solutions. This relief valve automatically unlocks and relocks during operation to ensure safety and efficiency in waste management.","brand":"Jones Stephens","offers":[{"title":"Default Title","offer_id":47621859475694,"sku":"387","price":118.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/70448ceec7834b3e7ad919c31fbced3b3b35217b.jpg?v=1780322502"},{"product_id":"watts-0298579","title":"WA112LF223SB WATTS 1-1\/2\" FNPT PRV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. Pressure Relief Valve is used in hot water space heating boiler applications to protect against excessive pressure on all types of hot water space heating boiler equipment. It consists of a iron body construction with expanded outlet drain connections for hot water space heating boilers, non-metallic disc-to-metal seating, stainless steel spring, and test lever, offers large discharge capacity, resists corrosive water conditions, resists sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and shall not be used as an operating control. Pressure Range: 30 to 75psi (2 to 5 bar) with corresponding high ratings from 925,000 to 10,700,000 BTU\/hr.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621865767150,"sku":"24037","price":8985.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/cdbccd80ee87c1f4f03b5c35080f2e800a9a7068.jpg?v=1780322502"},{"product_id":"watts-0298531","title":"WA34LF223SB WATTS 3\/4\" FNPT PRV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. High Capacity Water Pressure Reducing Valve is used in commercial, industrial, and institutional applications to reduce incoming water pressure for protection of plumbing system components and to reduce water consumption. It consists of a Lead Free brass body construction (2-1\/2 in is iron), enlarged diaphragm, spring cage and seat orifice for super capacity, sealed spring cage for waterworks pit installations and an optional thermal expansion bypass.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621865930990,"sku":"24038","price":2484.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/94b341b91a5c4e081be64df3337ecd4b2c87e6a3.jpg?v=1780322502"},{"product_id":"watts-0274598","title":"WATS 0274598 174A-0753\/4 3\/4 174A-75 RLF VLV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. Pressure Relief Valves are used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. It resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and shall not be used as an operating control.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621866553582,"sku":"94960","price":270.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/bbaa8a38daabb618ea36621a4f1a65e7b9dc75b9.jpg?v=1780322502"},{"product_id":"watts-0887002","title":"WATTS 0887002 3\/4 LF REP KT","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621868486894,"sku":"286224","price":279.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/fb1cc393448bfc5058724985fc6a62cd95794965.jpg?v=1772763437"},{"product_id":"watts-f382328","title":"WATS F382328 740050FS3\/4 3\/4 IRN VLV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. This Pressure Relief Valve has a 3\/4 in NPTF female inlet, 1 in NPTF female outlet, and pressure relief setpoint of 30 PSI. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features an iron body, non-metallic disc-to-metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621869764846,"sku":"292095","price":477.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/17f7acef5c457ab21a22187b3fac2635ab0e1739.jpg?v=1780322502"},{"product_id":"watts-0556036","title":"WATS 0556036 LF530-C3\/4 3\/4 LF LF530-C RLF VLV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. This 3\/4 in Lead Free Brass Calibrated Poppet Type Pressure Relief Valve is designed for use only as protection from the build up of excessive pressure in systems containing water, oil or air. It features a lead free brass body with 3\/4 in NPT male inlet and 1\/2 in NPT female (drain) outlet, stainless steel spring, lead free brass bonnet and a Buna-N disc and O-ring. The pressure relief spring adjustable range is 100 to 300 PSI.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621872124142,"sku":"45171","price":276.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/415272a983eaf1442a93b479891bbe0546e986aa.jpg?v=1780322502"},{"product_id":"watts-0274751","title":"WATS 0274751 174A-1253\/4 3\/4 174A-125 RLF VLV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. This Pressure Relief Valve has a 3\/4 in NPTF female inlet and outlet. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a bronze body, non-metallic disc-to-metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621873434862,"sku":"44827","price":270.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/7e83fcc3d975ca642154c6cf72a69f4799b84e5d.jpg?v=1780322501"},{"product_id":"watts-0556016","title":"WATS 0556016 LF40XL-1502103\/4 3\/4 LF T\u0026P RLF VLV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. This Lead Free Automatic Reseating Temperature and Pressure Relief Valve has a 3\/4 in NPTF male inlet, 3\/4 in NPTF female outlet, 5 in coated extension thermostat, pressure relief setpoint of 150 PSI, and temperature relief setpoint of 210 degrees F. The valve can be installed in hot water outlet within the allowable distance from the top of the tank for commercial applications to provide protection for hot water supply tanks and hot water heaters. It features a lead free copper silicon alloy body, tamper resistant bonnet screws, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621876646126,"sku":"99737","price":382.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/d2c0d5eb9ec818f784f0f9903f544853d463294b.jpg?v=1780322502"},{"product_id":"watts-f382820","title":"WATS F382820 740050FS1 1IN IRN VLV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. This Pressure Relief Valve has a 3\/4 in NPTF female inlet, 1 in NPTF female outlet, and pressure relief setpoint of 30 PSI. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features an iron body, non-metallic disc-to-metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621877924078,"sku":"300083","price":825.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/5f6b8395b1e4b8cc0ab8fc0e5d501cf0cfde6fec.jpg?v=1780322502"},{"product_id":"american-granby-rv50nl","title":"AMERICAN GRANBY RV50NL BRZ RELIEF VL 1\/2X1\/2 75PSI NL","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. This Pressure Relief Valve is a compact, high-performance safety component designed to protect water systems from excessive pressure buildup. Engineered for use in shallow and deep well systems, submersible pumps, and other pressurized water applications, this valve begins to relieve pressure at 75 psi, helping prevent damage to tanks, pipes, and fittings.","brand":"American Granby","offers":[{"title":"Default Title","offer_id":47621877858542,"sku":"226239","price":53.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/416353dd25d05eb5743eb715266b0e183b082e22.jpg?v=1780322502"},{"product_id":"cashacme-19497-0050","title":"CASH 19497-0050 F95 3\/4X1 RLF VLV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. The F-95 Pressure-Only Safety Relief Valve is a high-capacity, ASME-rated valve designed to protect commercial and industrial boilers and water heating systems from excessive pressure. Constructed with a durable iron body, brass seat, silicone seat disc, and EP diaphragms, the F-95 is engineered for reliable performance in high-temperature environments. Its pop-type action ensures rapid opening at set pressure for effective system protection.","brand":"Cashacme","offers":[{"title":"Default Title","offer_id":47621879595246,"sku":"42562","price":80.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/8a1d5c590b00bef58fff4dc4e50ccad97ea5e537.jpg?v=1780322502"},{"product_id":"braxton-harris-srv3","title":"BRAXTON HARRIS SRV3 3\"\" SEWER RELIEF VALVE","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. Designed for use in outside cleanouts to eliminate costly damage due to sewage back up. Fits 3 in cast iron or plastic pipes. Provides a visible warning that sewage is backing up. Spring loaded to automatically close, preventing sewer gases from escaping.","brand":"Braxton Harris","offers":[{"title":"Default Title","offer_id":47621881135342,"sku":"227209","price":9.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/b01fd37ce2efeae793ebe7b55a848c5094b10605.jpg?v=1780322502"},{"product_id":"waterstone-4500","title":"WATERSTONE 4500 PRV-PRESSURE REGULATOR VALVE","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. This pressure regulator valve is designed to control incoming water pressure and maintain consistent flow to under sink hot water systems. It helps protect connected components from excessive pressure, improving system performance and longevity.","brand":"Waterstone","offers":[{"title":"Default Title","offer_id":47621883429102,"sku":"305154","price":161.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/e0ce6074e2dc08a83ecaa8e872efcd1bfdc1f010.jpg?v=1780064443"},{"product_id":"zurn-tp3000-5c-150c","title":"WILKINS TP3000-5C-150C T\u0026P RLF VLV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. This Temperature and Pressure Relief Valve is designed for installation on commercial water heaters to protect against over-temperature or excessive pressure.","brand":"Zurn","offers":[{"title":"Default Title","offer_id":47621883527406,"sku":"101282","price":540.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/1b41606a3b93f57d2b543ad828de0e83b516ba77.jpg?v=1780322501"},{"product_id":"caleffi-535651ha","title":"CALEFFI 535651HA PRESSCAL PRV ASSE 1003, 3\/4IN PRESS W\/ PRESSURE GAUGE","description":"The Press Connection Pressure Reducing Valve is designed to maintain consistent downstream pressure in residential and commercial plumbing systems. Its press-fit connections allow for quick, secure installation without the need for threading or soldering, making it ideal for modern piping systems.","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":47621885198574,"sku":"159554","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/988c9cd355b6d3847bd2195e8913de1a76dbb532.jpg?v=1780322502"},{"product_id":"braxton-harris-spuv","title":"BRAXTON HARRIS SPUV POP-UP SEWER RELIEF VALVE FOR 3\"\" OR 4\"\" PVC PIPE","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. A pop-up Sewer Relief Valve designed for installation in exterior sewer cleanouts to help prevent costly damage caused by sewage backup. The valve automatically releases wastewater outside the building when a blockage occurs, reducing pressure in the sewer line and protecting indoor plumbing fixtures. Its spring-loaded mechanism automatically closes after the blockage clears, helping prevent sewer gases from escaping. The valve fits standard 3-in or 4-in cleanout connections and can be used with both plastic and cast-iron sewer pipes in residential, commercial, or industrial drainage systems.","brand":"Braxton Harris","offers":[{"title":"Default Title","offer_id":47621886148846,"sku":"222755","price":53.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/084648dda27e9bd072e4893eba570f22073af8c4.jpg?v=1780322502"},{"product_id":"watts-0856809","title":"WATS 0856809 LFCSM-61-M1-S1\/2 1\/2 LF VALVE","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. Flow Measurement Valves are designed for application on low or medium flow rate HVAC units and for domestic water recirculation system. Their compact size allows for easy installation and use in crowded piping compartments. The ball-type design, extended throttling range, and large indicator plate, make for accurate flow measurement, even in very low flow ranges, positive memory feature is easy to see, access, and operate, facilitating system balancing and flow measurement. The valve is also bi-directional, so there is no chance of installing the valve in the incorrect flow direction.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621886345454,"sku":"51602","price":429.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/34ab58ffb53a3dcf67288c406af155aa5262336b.jpg?v=1780322502"},{"product_id":"watts-0276980","title":"WATS 0276980 174A-12511\/2 1-1\/2 174A-125 RLF VLV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. This Pressure Relief Valve has a 1-1\/2 in NPTF female inlet and outlet and a 125 PSI pressure relief setpoint. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a bronze body, non-metallic disc-to-metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621889589486,"sku":"111920","price":1917.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/99e242f08a57fa3355eaeedcff46d574666d2ff8.jpg?v=1780322502"},{"product_id":"watts-f156731","title":"WATS F156731 40XL-5150\/210FS3\/4 3\/4 BRZ VLV","description":"SPECIAL ORDER ITEM. Review Returns Policy before purchase. This Automatic Reseating Temperature and Pressure Relief Valve has a 3\/4 in NPTF male inlet, 3\/4 in NPTF female outlet, 5 in coated extension thermostat, pressure relief setpoint of 150 PSI, and temperature relief setpoint of 210 degrees F. The valve can be installed in hot water outlet within the allowable distance from the top of the tank for commercial applications to provide protection for hot water supply tanks and hot water heaters. It features a bronze body, tamper resistant bonnet screws, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve.","brand":"Watts","offers":[{"title":"Default Title","offer_id":47621891326190,"sku":"317058","price":275.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9376\/2286\/files\/7c0206d393850a872f6b7cef096c348e2d3d60d9.jpg?v=1780322501"}],"url":"https:\/\/www.relyonpdi.com\/collections\/relief-valves-pressure-relief-valves.oembed","provider":"PDI Kitchen, Bath \u0026 Lighting","version":"1.0","type":"link"}