CNT09646 – CONTROL BOARD (OEM, TRANE, S8X1 SERIES)

If your furnace won’t ignite, shows error codes, or the blower won’t start, the control board controls all of it. The CNT09646 is a Trane OEM integrated furnace control board designed for S8X1 series furnaces. Replaces earlier revisions CNT07639 and CNT07872.

Specs: OEM Trane integrated furnace control for S8X1 series

Replaces: CNT07639, CNT07872, CNT09646

Fits: Trane S8X1 series gas furnaces; American Standard equivalent models

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:

• CNT07872
• CNT09646
• CNT7639
• CNT7872
• CNT9646

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