When the plenum temperature reaches the 160-degree threshold

The clear protective lens can be unscrewed

Built with a nylon-armored capillary for physical protection

eliminating the need for complex brackets and reducing installation time on-site

Watts F315130 Valve 321894-708 When the plenum temperature reachesThe Watts F315130, also known as the N240X 6 T&P relief valve, is a high capacity 1 inch FNPT safety solution engineered for commercial water heating systems. Designed for extreme reliability, this automatic reseating relief valve features a robust bronze body and a 6 inch stainless steel thermostat probe that ensures precise thermal response. With a pressure relief setting of 150 PSI and a temperature relief capacity of 730,000 BTU hr (CSA rated), it