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Ships within 48 hours · Estimated delivery Sep 24 - Sep 29
Constructed from high-grade copper or brass
Direct Retrofit Compatibility: Replaces discontinued ADDB-1 and MA-305 series models without the need for additional mounting hardware or wiring modifications
and auxiliary heat outputs during the defrost state
Optimize your HVACR system with the Armstrong Fluid Technology 816322-041 Bronze Impeller
Lennox 80W53 Pressure Switch 319825-402 Constructed from high-grade copper orThe 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.
US$ 80.66
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US$ 245.16
US$ 75.80
US$ 31.34
