Lennox 63W39 Pressure Switch Els PW 17895 Key Benefits Vibration Isolation: The

Key Benefits Vibration Isolation: The rubber-mounted cartridge design significantly reduces mechanical hum and system vibration

While the 20-inch diameter is common

Combustion Efficiency: Maintains proper manifold pressure and burner performance to prevent soot buildup and inefficient fuel consumption

Standard Coil Voltage: Operates on a 120V AC control circuit

For contractors performing a pilot burner orifice replacement

Lennox 63W39 Pressure Switch Els PW 17895 Key Benefits Vibration Isolation: TheThe 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