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When the burner shuts down
This toggle switch is optimized for high current capacities
Key Benefits: Ensures a gas-tight seal to prevent the escape of combustion byproducts
or the furnace failing to initiate the ignition sequence despite receiving power
Fulton Boiler 2-40-001421 Relay 320074-702 When the burner shuts downThe Fulton Boiler 2 40 001421 Relay is a critical LWCO relay (Low Water Cut Off) component engineered for precise electrical switching in heating applications. This genuine OEM replacement ensures seamless integration with Fulton boiler control systems, regulating power to heating elements and ignition circuits with technical precision. Benchmarked for industrial reliability, this 4 pin boiler relay features a 10 amp switching capacity and is rated
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