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it is designed to break the safety circuit and lock out the boiler once temperatures reach the 240-degree setpoint
the 14004697-001 maintains structural integrity under fluctuating pressure loads
Built for durability in demanding HVACR mechanical rooms
including the FC9V100C20UP12B model
Williams P500472 Limit Switch it is designed to breakMaintain the operational integrity of your heating equipment with the Williams P500472 Limit Switch, a critical OEM replacement part engineered for selective gas fired heating systems. This vent safety switch features a fixed temperature setting of 280F (L280), functioning as a primary safeguard against flue gas spillage and overheating conditions within the venting assembly. Specifically designed for manual reset (M R) operation, this switch requires
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