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making it a versatile choice for retrofits and legacy system maintenance
Constructed for rugged field use
This mechanical thermostat operates with two independent Single Pole Double Throw (SPDT) circuits to maintain energy-saving comfort zones between heating and cooling demands
this unit ensures OEM furnace ignitor performance across various platforms
Watts 0163746 Valve 340155-7024 making it a versatile choiceThe Watts 0163746 (Model 1 LL40XL Z2) is a high capacity temperature and pressure relief valve designed specifically for commercial hot water supply tanks and large boilers. Featuring a 1 inch NPT male inlet and 1 inch NPT female outlet, this bronze body valve is engineered for 500,000 BTU hr systems where safety and high discharge capacity are mandatory. The non mechanical seat to disc alignment ensures reliable operation at a pressure relief setting