4 to 5 inches water column (WC) and utilizes a 1/2 inch NPT connection for seamless integration into commercial burner manifolds and HVAC air handling units

Key Benefits: OEM Precision Fit: Engineered specifically for Carrier and Bryant models to eliminate vibration and rattling often found with universal aftermarket guards

This stainless steel ball and stem configuration is critical for systems utilizing high-temperature hot water or chilled water with aggressive chemical treatments

Utilizing a push-down-to-open (PDTO) action

Angle body design allows for compact piping and simplified installation in tight mechanical headers

Lennox 80W53 Pressure Switch 322056-301 4 to 5 inches waterThe Lennox 80W53 Pressure Switch is a critical OEM replacement part engineered for high efficiency furnace applications. This single pole single throw (SPST) switch is factory calibrated to a 0. 68" WC (water column) set point, ensuring precise monitoring of the inducer motor's draft. A failure in this component often results in a sequence of operation lockout, as the control board must verify proper venting before allowing gas valve ignition.