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White-Rodgers™ 21V51U-843 Universal Two-Stage Furnace Control, 24 VAC, 14.5 A

Part #175448

MFG #21V51U-843

175448_1287_White_Rodgers_21V51U_843.jpg

White-Rodgers™ 21V51U-843 Universal Two-Stage Furnace Control, 24 VAC, 14.5 A

Part #175448

MFG #21V51U-843

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White-Rodgers™ 21V51U-843 Universal Two-Stage Furnace Control, 24 VAC, 14.5 A

Part #175448

MFG #21V51U-843

Item Features
  • 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

  • Thermostat Inputs R,B/C,W1,W2,YLo,Y,G,O,DHUM

  • Hot Surface Ignition for 3 Speed (ECM Blower Motor Systems)