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Rosewood paper grain — description and returns beneath the overlapping buy card.
this component ensures reliable switching of the compressor and fan motor circuits
this specific assembly (100112345) is hard-indexed with a #39 orifice designed exclusively for natural gas water heaters
Enhanced Media Surface: Pleated paper media provides a larger surface area for particulate capture compared to standard fiberglass filters
it provides the precise airflow required for optimal heat rejection across the condenser coils
Can I use a universal pressure switch to replace this Lennox part
Lennox 10J73 Pressure Switch 320788-703 this component ensures reliable switchingThe Lennox 10J73 Pressure Switch (Catalog Number 10J73, Model 103827 01) is a critical safety component designed for furnace applications to ensure the inducer motor is moving combustion air effectively. As a single pole, normally open switch, it is calibrated to a fixed set point of 0. 25 PF (inches water column), making it a precise replacement for the combustion air prover in Lennox G21, G24, G27, G28, G30, and G37 series furnaces. This HVAC