
6" Flat Oval 45° Elbow Galvanized HVAC Duct Fitting 6-503-OF
Part/SKU: 6-503-OF
$518.36
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Request this quantity →White Rodgers 21V51U-843 Universal Two-Stage ECM Furnace Control KitThe 21V51U-843 Integrated Furnace Control Kit is a universal replacement solution for White Rodgers 50V51-XXX and 50V61-XXX two-stage HSI furnace boards.Designed for ECM blower systems, this advanced integrated control kit supports both 80V and 120V ignitors and is compatible with major furnace brands including:Goodman / AmanaColeman / Luxaire / YorkAmerican Standard / TraneLennoxThermo PrideKit Includes:✔ Ignition Control Module✔ Wiring Harness for Goodman/Amana✔ 21D64-2 Universal 120V Nitride Ignitor Kit✔ OEM Cross Reference DocumentationAdvanced
Historical fault code retrievalFlame current measurement pointsAdjustable fan off delayAutomatic second stage delay (dip switch selectable)120 VAC accessory output for humidifier & air cleanerDesigned for two-stage gas furnace systemsThis board is ideal for HVAC contractors seeking a reliable, universal replacement that reduces truck stock and increases service efficiency.Professional-grade replacement for residential and light commercial furnace systems.
| Part / SKU | 21V51U-843 |
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Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.
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