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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Combustion Efficiency: Maintains proper manifold pressure and burner performance to prevent soot buildup and inefficient fuel consumption
For contractors performing a pilot burner orifice replacement
the 325-7 series typically utilizes the R8110 series springs
providing a replacement or expansion solution for high-capacity timing applications
Lennox 63W39 Pressure Switch Els PW 17895 Combustion Efficiency: Maintains proper manifoldThe Lennox 63W39 Pressure Switch is the direct replacement for 56M23 and the 101021 13 assembly. This OEM 2 stage pressure switch is a mission critical safety component engineered to monitor flue gas velocity and verify proper inducer motor operation before the ignition sequence begins. Designed for high efficiency dual stage furnaces, it features precision factory calibrated set points of . 50" WC for the low fire stage and . 85" WC for the high fire