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Home
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Control Boards-Heating Parts Service
> 21V51U-843 VARIABLE SPD
21V51U-843 VARIABLE SPD UNIVERSAL INTEGRATED FURNACE CONTROL KIT
Item #:
75793
Manufacturer Item: 21V51U-843
Manufacturer:
WHITE-RODGERS/COPELANDCOMFORT
24 VAC 60 Hz, Integrated, Universal, 2-Stage, Variable Speed, Nitride, Hot Surface, Ignition Furnace Control Module
Furnace Status LED Tri-Color
Heat Fan off Delay
Fan on Delay for Cooling
Auto Second Stage Delay
Historical Fault Retrieval by Pushbutton
YLO, Y, W1, W2, R, G, C, Twin Terminals
Pressure Switch Inputs and Monitoring
Flash Microprocessor with Non-Volatile Memory
Flame Current Measurement Points
Control Boards-Heating Parts Service
Type
Universal, 2-Stage, Variable Speed, Hot Surface
Temperature Rating
-40 to 175 Deg F
Application
Furnace
Valve Rating
1.5 Amp at 24 Volt AC 60 Hertz
Ignition Source
Nitride Igniter
Ignition Trial Time
3 Second
Fuel Type
Natural, Manufactured, Mixed, Liquefied Petroleum
Flame Failure Response Time
2 Second
Ignition Sequence
4 Trial
Flame Sense Type
Integrated
Approval
CSA (Canada and US)
Prepurge Time
15 Second
Size
5.25 Inch Width x 1.25 Inch Depth x 8 Inch Height