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Fail-Safe Operation: The normally open configuration ensures system flow is maintained during a loss of diagnostic air pressure
Dual SPDT Relay Outputs: Provides versatile line voltage switching for independent control of two stages or components
a common cause of nuisance trips in residential and light commercial units
Is the gasket included or sold separately
Nordyne 904786 Heat Exchanger 319852-301 Fail-Safe Operation: The normally openThe Nordyne 904786 Heat Exchanger is an critical OEM replacement part engineered for G7 series upflow and horizontal gas furnaces. Designed to meet strict HVAC technical specifications, this primary heat exchanger assembly facilitates efficient thermal transfer while maintaining combustion integrity. As a veteran grade furnace repair component, it features a heavy duty, aluminized steel clamshell design to resist corrosion and thermal fatigue,