NAVIEN 30015811B APS- NPE-2, NCB-H, NFB-H, NFC-H

SPECIAL ORDER ITEM. Review Returns Policy before purchase. The Sensor Air Pressure Switch from the Navien Collection is designed to measure water flow and transmit data to the control board for efficient function. It ensures accurate monitoring of system performance, supporting safe and reliable hot water delivery. Installation is straightforward and integrates seamlessly with compatible units. The sensor helps optimize energy usage and maintain consistent water temperature. Its durable design provides long-term reliability under daily operation. By accurately detecting flow rates, it protects the water heater and enhances overall system efficiency in residential or light commercial applications.