Rheem Air Conditioner Contactor Replacement

OEM Rheem Air Conditioner Switch and Contactor Parts

The contactor is the electrical switch that powers on your Rheem air conditioner's compressor and fan motor. When it fails, your unit won't start or won't respond to thermostat calls for cooling. Contactors wear out over time from constant electrical cycling, and a bad one is one of the most common reasons for a dead AC system.

Repair Clinic stocks genuine OEM Rheem contactors and switch parts to restore your unit's responsiveness. Browse Rheem air conditioner parts by model number and get the right contactor shipped fast.

• Unit won't power on at all — contactor stuck open, blocking electrical current to motor and compressor
• Humming sound but no cooling — contactor stuck partially, not allowing full voltage draw
• Thermostat calls for cooling but nothing happens — contactor fails to engage relay signal from control board
• Intermittent operation or clicking sounds — contactor pitting or worn contacts causing poor electrical connection

Rheem Air Conditioner Contactor and Switch Parts: Common Questions

What's the difference between a contactor and a relay in my Rheem unit?

A contactor is a heavy-duty electrical switch that carries main power (usually 24V) to the compressor and fan motor. A relay is a smaller control switch that triggers the contactor. If your unit won't start despite the thermostat calling for cooling, the contactor is usually the culprit. Relays fail less often but control whether the contactor engages.

How do I find the correct contactor part number for my Rheem model?

Locate your model number on the nameplate attached to the unit's exterior cabinet or control panel. Enter it into our parts finder and filter by "contactor" or "switch." We'll display the exact OEM part with specifications. Rheem models from different eras use different contactor ratings, so matching the model number is critical.

Can I install a universal contactor or does it have to be OEM Rheem?

While universal contactors exist, using a non-OEM part risks voltage mismatch, improper coil specs, and control board compatibility issues. Rheem's engineering ensures the contactor works reliably with your specific control board and thermostat wiring. We always recommend genuine OEM parts to avoid callbacks and model-specific fit and performance.

My unit is clicking but cooling is weak—is that the contactor?

Clicking often signals contactor pitting or wear. However, weak cooling with clicking can also stem from a failing run capacitor stressing the compressor, or refrigerant loss causing low pressure. If clicking is accompanied by the unit struggling to start, the contactor is the prime suspect. Our parts finder can help you diagnose by model.

Order Rheem Air Conditioner Contactor Replacement Parts Online

Ensure your Rheem air conditioner operates smoothly with genuine contactor replacement parts, available for online ordering. A faulty contactor can disrupt your A/C's function, but finding the right part is easy with our model and part number lookup. Our user-friendly platform offers same-day shipping, so you can fix your unit without delay. Plus, For troubleshooting and repair guidance, browse our Air Conditioner Repair Help section. If you need other Rheem A/C parts, check out our full selection of Rheem Air Conditioner Parts to keep your system running efficiently.

Rheem Air Conditioner Model Number: Where to Look

Rheem typically lists the model number on the outdoor condenser's nameplate, usually attached to the side of the cabinet. If it is not there, turn off power to the unit and check the label inside the electrical access panel. Copy the model number exactly, including letters, numbers, and any hyphens, and keep it separate from the serial number. Type it into our model number lookup and the catalog narrows to parts made for your unit, across every associated part category. Matching the whole air conditioner by model helps account for differences between production years and system sizes. That means fewer wrong orders and a faster repair.