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It balances the oil levels between compressors in a parallel circuit
This boiler pressure switch is built for durability in demanding mechanical environments
11" WC setpoint required by the furnace control board
Seamless Integration: Compact form factor fits existing mounting footprints in Trane air handlers and furnaces without modification
This 1/3 HP blower motor serves as the direct 1:1 replacement for the legacy 1173783 part number
Lennox 11U65 Pressure Switch 328140-751 It balances the oil levelsThe Lennox 11U65 Pressure Switch is a critical safety component engineered for precision monitoring of combustion air in high efficiency furnace systems. This OEM Lennox replacement part, also identified by manufacturer number 104371 02, is a high sensitivity 60" wc pressure switch designed to actuate at exactly 0. 60 inches water column. Operating as a normally open SPST switch (Single Pole Single Throw), it ensures that the inducer motor is creating