White-Rodgers - 21M51U-843 - Universal Two Stage Hot Surface Ignition Control

Item Number: WWR21M51U843  MFR Part Number: 21M51U-843

PRODUCT HIGHLIGHTS

Universal Two Stage Hot Surface Ignition Control, 3 Speed (PSC) Circulator Furnace Control Kit. Replaces WR 50M51-242 and all 50M61-xxx's Two-Stage H.S.I. Systems with 80v or 120v Ignitors
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Description

Details

Ignition Module/Circulator Furnace Control Kit with Nitride Ignitor.

Features:
  • 120 VAC 3-speed PSC (Permanent Split Capacitor) circulator output, two-speed inducer output, 2-stage gas valve output.
  • Pushbutton fault history retrieval.
  • Furnace status LED - tri-color (green, red and amber).
  • Heat fan off delay (dipswitch selectable), fan on delay for cooling.
  • Auto second stage delay (dipswitch selectable).
  • 120 VAC humidifier output/120 VAC electronic air cleaner output.
Replaces: X13650839010, CNT03077, 83L9301, 50M61-843, KIT15943, 50M61-495, 50M61-289, 50M61-288, Y4151, 63W26, 50M61-120, 39M26, 100869-03, S1-33109168000, S1-03109168000, S1-33109117000, S1-03109117000, S1-33103009000, S1-03103009000, S1-33102954000, S1-03102954000, 872670, 67298, 542767, 50M51-242, 265903, 46M9901, 20300003, 20300001, 18M3401

California residents: see Proposition 65 Warning

Specifications
Weight1.38 Pounds (Lb)
Width4.83 Inches (In)
Height1.47 Inches (In)
Country of OriginMEX
Length8 Inches (In)
BrandWhite-Rodgers
Voltage120 VAC
PhaseSingle
Cycle/Hertz60
Ignition TypeHot Surface
Documentation