Lennox 36W77 Pressure Switch 322027-701 Calibrated at a

Calibrated at a

the ICM2920 is designed to control the direct spark ignition sequence using your existing ignition components

Key Benefits for Technicians: Dual-purpose design: Supports both the compressor (25 MFD) and the condenser fan motor (5 MFD) in a single compact round housing

Replacing a compromised Nordyne furnace control board with this genuine component restores precise timing for the inducer motor prepurge and main burner ignition cycles

Lennox 36W77 Pressure Switch 322027-701 Calibrated at aAs a seasoned technician, you know that a failing 2 stage pressure switch can ground a high efficiency furnace during the peak of the heating season. The Lennox 36W77 is a dual stage assembly engineered specifically for variable capacity and modulating furnaces, such as the G71MPP series. This genuine HVAC OEM part features two distinct set pointsa Low Fire stage at 0. 25" W. C. and a High Fire stage at 1. 22" W. C.to ensure the inducer motor is