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Critical Burner Safety: Prevents furnace ignition during flue blockages or mechanical inducer failure
Adjustable Timing Intervals: Features selectable 30
this Single Pole Double Throw (SPDT) switch provides versatile wiring configurations for both normally open and normally closed circuits
The TD244A is specifically designed for Selectra Series 44 systems used in space heating and makeup air applications
Ensure the lower wattage meets the recovery requirements for your specific installation
Lennox 80W53 Pressure Switch 323613-751 Critical Burner Safety: Prevents furnaceThe 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.