The standout feature is the universal zip nut

in HVAC applications

What are the signs that my pilot orifice needs replacement

you should always match the WC rating specified on the original part

Watts 0556000 Valve The standout feature is theThe Watts 0556000 (Model 100XL 3 150) is a critical 3 4" T&P relief valve designed to provide automatic temperature and pressure protection for water heaters and hot water storage tanks. Rated for systems up to 100,000 BTU hr, this water heater safety valve utilizes a 2 in 1 design to prevent dangerous over pressurization and thermal expansion. The Watts 100XL 3 150 is a direct replacement for 100XL 150 3 4 and 100XL 3 150 3 4 models, ensuring a