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this assembly is a direct replacement for HSI control valves in 40 and 50-gallon residential units
As the direct cross version of B4310407
Wide Operating Envelope: Rated for a N-range temperature profile
this low voltage damper motor ensures precise synchronization with system signals to maintain safe combustion environments and optimize thermal efficiency
As a factory-programmed User Interface Module (UIM)
Lennox 60L03 Pressure Switch 319847-401 this assembly is a directThe Lennox 60L03 Pressure Switch is a critical safety component designed for precise combustion air monitoring in Lennox heat pumps and furnaces. This OEM Lennox part is factory set to a . 80" wc setpoint, ensuring the inducer motor establishes proper static pressure before allowing the ignition sequence to proceed. As a Single Pole Single Throw (SPST) normally open switch, it features a standard 1 4" barb connection for seamless integration with