Lennox 80W57 Pressure Switch 319848-301 manifold pressure) and can be

manifold pressure) and can be converted for liquid propane (LP) applications with the appropriate conversion kit

The 903903 assembly focus is the resistive element and frame

eliminating the need for complex field programming or harness modifications

Can this be used for propane (LP) conversions

Installation Ready: Provided with necessary lead wires and terminal connectors for immediate field replacement

Lennox 80W57 Pressure Switch 319848-301 manifold pressure) and can beThe Lennox 80W57 Pressure Switch is a critical safety component designed for single stage gas furnaces. This genuine OEM Lennox furnace pressure switch is calibrated to actuate at . 65" WC (water column), ensuring that the combustion air inducer motor is generating sufficient negative pressure before the ignition sequence begins. Engineered with a single pole single throw (SPST) configuration and Normally Open (N. O.) contacts, this switch protects