Replacing a manual reset with an automatic reset can create a dangerous cycling condition

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

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

utilizing a 4-way pilot valve to provide positive reversals even at low pressure differentials

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

Lennox 80W53 Pressure Switch 322056-301 Replacing a manual reset withThe 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.