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The White-Rodgers WR-21D83M-843 is a single-stage furnace control kit for managing various furnace functions. It serves as a direct replacement for Lennox single-stage models. This kit controls the gas valve, ignitor, blower, inducer, humidifier, and air cleaner.
The control kit simplifies installation and enhances system management for HVAC professionals.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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