an open reading at room temperature indicates the internal bimetal disc has failed

This switch is designed to mount onto a main contactor to provide additional control signals

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

2A breaker to trip frequently

Watts 0556000 Valve an open reading at roomThe 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