Lennox Surelight Ignition Circuit Board 21DM83M-843




Lennox ignition circuit board P/N 21D83M-843

Surelight circuit board replacement kit 21D83M-843

Replaces 83M0001, 83M00, LB-109531, 32M88, 12L69, 69M08, 97L48, 56L84, 10M93, 56L83, 24L85, 32M8801, 12L6901, 69M0801, 97L4801, 56L8401, 10M9301, 56L8301, 24L8501, 63K89, 63K8901, 10Y2401, 10Y24, Y7761

Installation instructions, wiring harnes and mounting plate included.

Genuine Lennox parts

Shipping rate for continental United States



  • Model: 21D83M-843
  • Manufactured by: Lennox
  • UPC:

Manufacturer Info

About Us

Welcome to Shortys HVAC Supplies. We are located on the South West side of Indianapolis, IN. Our purpose is to provide Original Equipment Manufacturer parts for the repair and maintenance upkeep of furnaces, air conditioners, ventilation systems and pumps to the general public as well as contractors and commercial building maintenance staff.

We sell brand new OEM parts for most manufacturers such as Carrier, Bryant, Payne, Lennox, Armstrong Aire, Ducane, Trane, American Standard, Heil, Tempstar, Nordyne, Goodman, Rheem, Ruud, York, Coleman, Modine, Reznor, Armstrong Pumps, Bell and Gossett pumps, Weil McLain, Lochinvar, McDonnell Miller, Hoffman Specialties, Manitowoc, Scottsman and we strive to make sure you get the correct part for your application.

Give us a call with the information from your equipment nameplate and we will do our best to help. We can be reached at our local phone number 317-821-8770, Toll Free 877-821-8770 or by fax at 317-821-8772. Our physical address is 7720 S Mooresville Rd in West Newton , IN 46183. Business hours are 8-5 EST M-F. Prior to making repairs please consult your manufacturers instructions and follow all safety precautions. Improper repairs can lead to equipment damage or personal injury or death. If you are unsure of your ability please call a professional company.




Company Name

Shortys HVAC Supplies LLC


7720 S Mooresville RD
West Newton, IN
USA 46183

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Shortys HVAC Supplies LLC 2020