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

or differential air pressure in HVAC systems and industrial process control

While technically compatible with certain gear train motors

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

Lennox 80W53 Pressure Switch 322056-301 Angle body design allows forThe 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.