Lennox 80W53 Pressure Switch 323613-751 Whether you are dealing with

Whether you are dealing with intermittent pilot ignition or standard 24V AC systems

The TD244A is specifically designed for Selectra Series 44 systems used in space heating and makeup air applications

Mechanical Response: Facilitates an immediate and accurate conversion of pneumatic signals to mechanical motion for tight valve seating and modulation

or the furnace failing to stay lit due to a weak signal in the safety circuit

Built with a rugged bronze body (ASTM B584) and a corrosion-resistant stainless steel spring

Lennox 80W53 Pressure Switch 323613-751 Whether you are dealing 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.