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making it the standard replacement for the 221455A/U part number
ensuring correct mounting and limit switch wiring
This unit features copper and brass construction and should only be used with non-corrosive refrigerants
Because of the increased surface area of the deep pleats
Nordyne 632424R Pressure Switch Els PW 17895 making it the standard replacementThe Nordyne 632424R Pressure Switch is a critical safety component for HVAC technicians servicing Nordyne gas furnaces and air handlers. Engineered as a genuine OEM replacement part, this normally open SPST switch is factory calibrated to a 0. 77" WC (water column) trip point. It establishes a 24V control signal when the draft inducer motor successfully generates sufficient negative pressure, ensuring the combustion blower is operational before the
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