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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Designed as a precise OEM replacement part
Versatile Mounting: Supports standard thru-bolt or cradle/band mounting for faster field installation
For technicians troubleshooting furnace pressure switch issues or dealing with a seized inducer motor
Common Questions What is the connection type for the 998-0510-25
rather than waiting for a combustion blower to clear the heat exchanger
Lennox 73K93 Nut 320074-702 Designed as a precise OEMThe Lennox 73K93 Retainer Nut is a critical OEM replacement part designed for high vibration HVACR environments. This 1 4" thread zinc plated nut (replaces 66A03 and 73K9301) provides essential component fixation for residential condensers, air handlers, and package units including CHA16, CHP16, and GCS16 series. Engineered for industrial grade durability, its zinc plating offers superior corrosion resistance, ensuring a secure mechanical fit and
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