21V51U-843, Integrated Furnace Controls Universal Replacement
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Manufacturer: White Rodgers
Manufacturer Part Number: 21V51U-843
Model Number: 21V51U-843
Universal two-stage integrated furnace control for 3-Speed (ECM) blower motors includes a universal 120V nitride ignitor for 80V or 120V hot surface ignition systems.
- Provides proper signals to 5 different manufacturer ECMs for maximum control replacement coverage
- Includes a universal 120V nitride ignitor to allow replacement of 80V and 120V controls
- Advanced diagnostics through a Tri-color LED with push-button fault recall and a CFM LED indicator
- 120V air cleaner output and 120V humidifier output up to 1 Amp max
- Factory standard safety timings and adjustable fan delay options
- Replaceable automotive style fuse
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