Appliance circuit boards are the electronic brains that control RV refrigerators, furnaces, water heaters, and other major systems. When a circuit board fails, the appliance stops working correctly or won't operate at all. Replacement boards restore function without replacing the entire appliance—a significant cost savings when the rest of the unit is in good condition.

What to Know Before You Buy

• Circuit boards are appliance-specific; you need the exact part number for your model—not a "close" substitute.
• Identify your appliance make, model, and serial number; the board part number is often printed on the existing board.
• Some boards require programming or configuration during installation; follow manufacturer instructions carefully.
• Proper diagnosis matters—confirm the board is actually the problem before ordering, as other component failures can cause similar symptoms.

Troubleshooting an appliance and think the board may be the issue? Describe the symptoms and appliance details and we can help confirm.

Free shipping on most orders $99+ (US lower 48). Expert support and 90-day returns.