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21M51U-843 White Rodgers Universal Control Canada

  • White Rodgers 21M51U-843 Kit Canada
Canadian $449.24
Calculated at checkout

Product Description

21M51U-843 White Rodgers Universal Two-Stage HSI Control 

Available and ships within Canada AB, BC, SK, MB, QC, ON, NB, NS, PEI, NT, NL

Universal 2-Stage Hot Surface Integrated Furnace Control Kit


Ignition Control Module — 50M51-843

HotRod™ Universal Ignitor Kit — 21D64-2


5-1/4 in. Width, 8 in. Height,

AMP: 530mA at 24 VAC,

Depth: 1-1/4 in.,

24 VAC Volts,

60Hz Frequency Rating,

Temperature Range: -40 to 175F,

5 - 93% RH Non-Condensing Humidity Range

  • 120 VAC 3-speed PSC (permanent split capacitor) circulator output, 2-speed inducer output, 2-stage gas valve output
  • 3A fuse protection, furnace status LED tri-colour (green, red and amber), heat fan off delay (dipswitch selectable)
  • Fan on delay for cooling, auto second stage delay (dipswitch selectable mode), 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
  • 1.5A at 24 VAC 60Hz gas valve relay, 2.2A full load, 3.5A locked rotor at 120 VAC inducer relay, 14.5A full load, 25A locked rotor at 120 VAC circulator relay, 1A maximum at 120 VAC humidifier load and electronic air cleaner load, 4A maximum at 132 VAC 60Hz ignitor relay
  • 0.3 µA DC minimum current to insure flame detection, 0.1 µA DC maximum current for non-detection, 100M Ohm maximum allowable leakage resistance
  • 2 sec. at 60Hz maximum flame failure response time
  • Includes HotRod universal 21D64-2 igniter kit
  • Width
    5-1/4 in.
  • Height
    8 in.
  • AMP
  • Depth
    1-1/4 in.
  • Frequency Rating
  • Humidity Range
    5 - 93% RH Non-Condensing
  • Temperature Range
    -40 to 175F
  • Volts
Module Model #        Furnace Model                                 Ignitor                   Furnace OEM
18M3401                 G60DF(X) or G60UH(X)                    21D64-2*               Lennox
20300001                N/A                                                21D64-2*               Goodman
20300003                N/A                                                21D64-2*               Goodman                 
46M9901                 G61MP                                            21D64-2*               Lennox
For below, use existing or 21D64-2*                                                             Evcon, Coleman, Luxair, York
50M51-242              FC9T                                              
50M51-242              FL9T                                                                            
50M51-242              PT9A                                                                            
50M51-242              PT9B                       
50M51-242              PT9C
50M51-242              PT9D
50M51-242              GM9T
50M51-242              FC8T
50M51-242              FL8T
50M51-242              LC8T
50M51-242              LL8T
50M51-242              PT8A 
50M61-120              G60DF(X),G60UH(X) or G61MP       21D64-2*               Lennox
50M61-288              N/A                                              21D64-2*               Amana
50M61-289              N/A                                              21D64-2*               Goodman
50M61-495              XL80                                            21D64-2*               American Standard Trane
50M61-843              N/A                                              21D64-2*               White-Rodgers Standard
83L9301                  N/A                                              21D64-2*               Lennox
CNT03077                XL80                                            21D64-2*               Trane
X13650839010         XL80                                            21D64-2*               Trane
Note: The installer may have to modify existing ignitor hole to accommodate the new 21D64-2, with ceramic diameter (0.394"). *21D64-2 Ignitor Note: In these applications, the existing 80V ignitor must be replaced by the 120V 21D64-2 ignitor.

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Product Reviews

  1. Perfect replacement circuit board with great installation instructions 5 Star Review

    Posted by on 24th Feb 2023

    I could not find my original white rodgers control for Trane furnace, this worked perfect!

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