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

facilitating a precise fit during field installation or preventative maintenance

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

Automatic Reset: Eliminates the need for manual intervention by cycling the system back to "active" status once safe temperatures are reached

Watts 0556000 Valve This switch is designed toThe 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