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Always verify your specific valve model against the 054356 cross-reference guide to ensure exact fitment
Stable 120V Output: Provides consistent secondary voltage for sensitive HVACR logic boards and solenoid coils
OEM gaskets like the 09RA0221282 are built to exact factory tolerances
it is designed to break the safety circuit and lock out the boiler once temperatures reach the 240-degree setpoint
Built for durability in demanding HVACR mechanical rooms
Williams P500472 Limit Switch Always verify your specific valveMaintain 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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