LB-91097C – IGNITION CONTROL REPLACEMENT KIT (17W82)

If your furnace won’t ignite, shows error codes, or the blower won’t start, the control board controls all of it. The 17W82 is a Lennox ignition control replacement kit that comes with everything needed to swap out older Lennox furnace boards. Includes wiring harness and hardware for a complete installation.

Specs: Complete replacement kit with harness, OEM Lennox

Replaces: 17W82, 21L890, 37K56, 72K79

Fits: Lennox furnaces requiring LB-91097C ignition control kit

Need help? See our Furnace Not Heating Guide.

In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.

Cross-reference numbers

This part replaces the following OEM and aftermarket numbers:

• 17W8201
• 21L890
• 21L8901
• 37K5601
• 72K79

Not sure if your number matches? Call (214) 340-9421 or bring the old part in — bench-testing is free.