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Control Board Kit

Furnace control board. The control board regulates the supply of power to the furnace components. Be sure to check more commonly defective parts before replacing the control board.

Temp/Fan control board

User interface board

Control-electrical

Furnace fan/electric heat control board.

Control board. The control board regulates the supply of power to the furnace components. Be sure to check more commonly defective parts before replacing the control board.

Power control board

User Interface Board Kit

Terminal board

The control board regulates the supply of power to the furnace components. Be sure to check more commonly defective parts before replacing the control board.

Relay phase monitor

The control board regulates the supply of power to the furnace components. Be sure to check more commonly defective parts before replacing the control board.

Electronic control board

Circuit board,main control
An air conditioner control board helps manage power, fan operation, compressor signals, temperature control, and communication between key A/C parts. Repair Clinic carries genuine OEM air conditioner control board replacement parts, including circuit boards, timer boards, user interface boards, power boards, terminal boards, and control panel parts for supported models.
Different air conditioners use different electronic control parts. Some units use a main control board, while others may use a timer board, display board, user interface board, relay board, power board, or terminal board. Use your model number or part number to match the correct replacement board before ordering.
The cost of an air conditioner control board depends on the model, board type, brand, and whether the part controls the full system, display, fan, timer, or power supply. Search by model number to see current product prices, availability, photos, and part details for compatible AC control board replacement parts.
The best way to find the right AC control board is to search by model number. Your model number helps match the board to the unit design, electrical rating, connector layout, and control functions. You can also search by OEM part number if you already know the replacement board you need.
Common signs include unresponsive controls, error codes, a fan or compressor that will not run, repeated cycling, display problems, or inconsistent operation. These symptoms can also be caused by wiring, sensors, capacitors, thermostats, or power issues, so diagnosis is important before replacing the board.
AC control board replacement cost varies by brand, model, board type, and system design. A main control board, circuit board, timer board, display board, or power board may each have a different price. Search by model number to view compatible parts and current pricing.
People often use these terms interchangeably, but the exact part name depends on the unit. An air conditioner may use a main control board, circuit board, PCB, motherboard, timer board, display board, or user interface board. Match the replacement part by model number or OEM part number.
Control board replacement involves electrical parts and model-specific wiring. It may be possible for someone with HVAC or electrical repair experience, but a qualified technician is recommended if you are not trained to service air conditioning equipment.
Before replacing a circuit board, check incoming power, fuses, wiring connections, thermostat signals, sensors, capacitors, relays, and any visible board damage. A failed connected part can sometimes damage a new board if the original cause is not corrected.
Match the board by the full model number, OEM part number, connector layout, mounting style, voltage requirements, and board function. Product photos and part descriptions can help confirm the correct replacement.
A control panel may stop working because of a failed user interface board, damaged keypad, loose wiring harness, failed main control board, power problem, or moisture damage. Use your model number to find compatible control panel and board parts.
Yes. Repair Clinic lists OEM control board and circuit board parts for supported air conditioner, air handler, heat pump, and HVAC models. Use your model number to narrow the results to compatible parts.


Repair Clinic makes it easy to order air conditioner control board parts online. Search by model number, part number, or board type to find OEM AC circuit boards, timer boards, display boards, user interface boards, power control boards, terminal boards, and related electronic control parts. Product listings include photos, prices, stock status, and repair resources to help you choose the right part.
Skip the guesswork on fit by starting with your air conditioner's model number, usually found on the exterior nameplate of the condenser or on a label inside the cabinet access panel. Check the side of the outdoor unit and look for a label listing the model and serial numbers. If you have a window or portable air conditioner, check behind the front grille, on the side of the cabinet, or inside the filter panel. Enter the model number in the search bar to narrow the full catalog to parts made for your specific air conditioner. That means fewer wrong orders and a faster repair.

Repair Clinic's online repair library gives you the tools to diagnose and fix your Air Conditioner without a service call. Common-symptom articles cover the most likely causes, part testing videos confirm the failed component, and step-by-step written guides walk you through the installation. Use the model number lookup to confirm the exact OEM part, and exploded-view diagrams and wiring illustrations support the more involved jobs.

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