21M51U-843 Universal Two Stage Hot Surface Ignition Control & Ignitor, 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

$259.99

21M51U-843 Universal Two Stage Hot Surface Ignition Control & Ignitor, 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

  • 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

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SKU: 21M51U-843 Categories: , , , Brand: White Rodgers

Description

This easy to install kit includes everything you need for quick and accurate replacement of White Rodgers 50M51-242 and all 50M61-XXX controls. Simplifies stocking, installation and ensures peak system performance.

Kit Includes:

  • Ignition Control Module
  • Universal 120V Nitride Ignitor Kit – 21D64-2
  • Installation Instructions and OEM Cross-Reference

Features:Features

  • 120 VAC Ignitor Output
  • 120 VAC Two-Speed Inducer Output
  • 120 VAC Humidifier Output
  • 120 VAC Electronic Air Cleaner Output
  • 120 VAC 3-Speed PSC Circulator Output
  • 2-Stage Gas Valve Output
  • Fuse Protection – 3 Amp
  • 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 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 Point

Additional information

Weight 3 lbs
Dimensions 1.25 × 5.25 × 8 in
Ignition Type

Intermittent Hot Surface Pilot

Stages

2

Operating Temp Range

-40° to 175°F

Cross References

See CROSS REFERENCE in Data sheet tab

DATASHEET

  • White Rodgers 21M51U-843 Product Overview
  • White Rodgers 21M51U-843 Competitive Cross Reference
  • White Rodgers 21M51U-843 Install Instructions
  • White Rodgers 21M51U-843 Wiring Guide
  • White Rodgers 21M51U-843 Brochure.pdf

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