
47-100436-02 – CONTROL BOARD – X13 ECM (RHEEM, AIR HANDLER)
10226 Plano Rd, Suite 104, Dallas TX 75238
Questions? Call or text (214) 340-9421
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm
If your Rheem air handler with an X13 ECM motor isn’t running right — blower won’t start, speed is wrong, or the motor is getting power but not responding — the control board is usually the issue. This board specifically manages X13 ECM blower motor operation.
Specs: OEM Rheem control board for X13 ECM motor air handlers
Replaces: 47-100436-02, 47-102077-02, 47-102077-05, 48X21-811
Fits: Rheem and Ruud air handlers equipped with X13 ECM blower motors.
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:
- 47-100436-02
- 47-102077-05
- 48X21-811
Not sure if your number matches? Call (214) 340-9421 or bring the old part in — bench-testing is free.




