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Extended Service Life: Designed with minimal moving parts to reduce mechanical wear in high-cycle hydronic systems
or the furnace failing to initiate the ignition sequence despite receiving power
ensuring a secure and precise fit for your shaft
If you notice high discharge temperatures
It is designed to withstand the thermal stress and acidic nature of flue gas condensate
Fulton Boiler 2-40-001421 Relay 320074-702 Extended Service Life: Designed withThe 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
US$ 30.00
US$ 55.00
US$ 30.00