903915A – CONTROL BOARD (NORDYNE)

If your furnace won’t ignite, shows error codes, or the blower won’t start, the control board controls all of it. The 903915A is an OEM control board for Nordyne gas furnaces. Manages ignition sequencing, blower timing, and system safety monitoring.

Specs: OEM Nordyne integrated furnace control board

Replaces: 903915, 903915A, 624643

Fits: Nordyne, Miller, Intertherm, and Maytag gas furnaces using 903915-series boards

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:

• 903915
• 903915A

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