White-Rodgers 21V51U-843

SKU
57263
UPC:
786710540714
Available In stock
Only 12 left
White-Rodgers™ 21V51U-843 2-Stage Universal Variable Speed HSI Integrated Furnace Control Kit, 24 V, 0.45 A

Product Description

More Information
White-Rodgers™ White-Rodgers™ HSI Integrated Furnace Control Kit, 2-Stage, Universal, Variable Speed, 15-1/2 Inch Lead Length, 15-1/2 Inch Probe Length, 24 V, 0.45 A, Natural Gas/Liquid Propane, 17 sec Warm Up, 15 sec Prepurge, 1/4 Inch Spade Terminals and Molex Plugs, Retries: 2, 60 min Reset, 8 Inch H x 5-1/4 Inch W x 1-1/4 Inch D, Includes: Keyed Wire Harness and 21D64-2 Universal Nitride Ignitor

  • 120 VAC igniter output
  • 120 VAC 2-speed inducer output
  • 120 VAC humidifier output
  • 120 VAC electronic air cleaner output
  • AC gas valve output
  • 16-Pin variable speed circulator output
  • Fuse protection – 3 amp
  • Furnace status LED – tri-color (green, red and amber)
  • Cfm LED – (green)
  • Heat fan off delay (dipswitch selectable)
  • Fan on delay for cooling
  • Historical fault retrieval by pushbutton
  • YLO, Y, W, W2, R, G, C, O, BK/DS/ Dehum terminals
  • Pressure switch inputs and monitoring
  • Flash microprocessor with non-volatile memory
  • Flame current measurement points

Standard/Approvals: CSA Certified

Application: Residential and Commercial Heating Equipment

Specifications

Specifications
Amperage Rating 0.45 A
Control Voltage 24 V
Dimensions 8 Inch H x 5-1/4 Inch W x 1-1/4 Inch D
Electrical Connection 1/4 Spade Terminals and Molex Plugs
Gas Type Natural Gas/Liquid Propane
Includes Keyed Wire Harness and 21D64-2 Universal Nitride Ignitor
Individual Item Weight 2.0000
Lead Length 15-1/2 Inch
Manufacturer Emerson Electric
Manufacturer Name Emerson Electric
Package/Shipping Weight 2
Prepurge Time 15 sec
Probe Length 15-1/2 Inch
Reset Time 60 min
Retries 2
Type 2-Stage, Universal, Variable Speed
UNSPSC 40101833
UPC 786710540714
Warm Up Time 17 sec
Warranty 1-Year Limited Warranty

Documentation

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