Before replacing the board, count the LED blinks — the error code tells you what actually failed. Sometimes it’s a $15 fuse, not a $140 board.
903915A – CONTROL BOARD (NORDYNE)
$139.92
Nordyne 903915A control board. OEM replacement for Nordyne gas furnaces. Also sold under part number 624643. Manages ignition, blower, and safety functions.
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm | In-Store Pickup Only
Description
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.
