The Watts 374A Series iron pressure relief valve is engineered for hot water space heating boiler applications, offering reliable protection against excessive pressure. Its robust design ensures the safe operation of your boiler system by relieving pressure buildup when necessary. This pressure relief valve is equipped with a 3/4 inch NPTF female inlet and outlet, with a pressure relief setpoint of 30 psi. It features an iron body paired with a forged bronze inlet, providing exceptional durability and strength. The valve incorporates non-metallic disc-to-metal seating for reliable sealing and includes a test lever for straightforward manual testing. For advanced monitoring, the valve comes with a nonrestrictive discharge drain line flood sensor integrated with SentryPlus Alert® technology. This system detects excessive water discharges, enhancing safety and maintenance awareness. Note that activating this sensor requires purchasing a separate activation kit. Designed to withstand demanding conditions, the 374A Series valve meets rigorous industry standards for quality and performance. Its durable construction ensures long-lasting reliability, making it an ideal choice for both commercial and residential applications.
At Watts, our family of brands offers one of the most varied product lines in the world. Simply put, if you're moving, removing, heating, treating, or reusing water, we have everything you need to get the job done. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. From melting ice on entire city blocks from the ground up, to filtering safe drinking water in isolated, weather disaster zones, you need water and water needs Watts.