PSEI and MWI Range 1/2 in ProLock End Cap

SPECIAL ORDER ITEM. Review Returns Policy before purchase. Engineered for the PSEI and MWI range, this 3/8 in ProLock end cap provides a secure termination for water supply lines. The quick connect fitting design allows for tool-free installation on 3/8 in to 1 in CTS piping. This component is UPC and IPC compliant, meeting rigorous safety standards for potable water systems. Designed for versatility, it maintains a leak-proof seal on PEX, copper, and CPVC pipes that conform to ASTM standards. The construction is rated for water supplies containing up to 4ppm of chlorine, ensuring material integrity in standard residential plumbing environments. This single-count fitting provides a professional-grade solution for capping lines during renovations or system expansions.