Lennox 63W40 Pressure Switch 321142-301 OEM Compatibility: Designed specifically as

OEM Compatibility: Designed specifically as a direct replacement for Rheem and Ruud furnace parts

Can the lens assembly be serviced

as well as 125 VA pilot duty applications

Key Benefits: Ensures peak operational efficiency for Trane unit ventilators and blower motors by minimizing mechanical drag

This specific configuration (AG13A020 actuator) is a standard general-purpose two-position unit and does not include an internal SPDT end switch for auxiliary signaling

Lennox 63W40 Pressure Switch 321142-301 OEM Compatibility: Designed specifically asThe Lennox 63W40 Pressure Switch is a critical OEM replacement component for two stage furnaces and heat pumps, including the G60DF and G60UH series. Designed to ensure safe combustion cycles, this dual pressure switch features factory calibrated set points of 0. 20" WC for low stage operation and 0. 40" WC for high stage performance. As a veteran grade HVAC pressure switch, it monitors the negative pressure generated by the inducer motor, providing