🔁 Heating & Air Conditioning Relays, Contactors & Switches – Reliable HVAC Control Starts Here
When your HVAC system won’t start, keeps short-cycling, or doesn’t respond to thermostat signals, the issue is often with a worn-out relay, contactor, or switch. At Parts-O-Matic.com, we carry a full line of high-quality HVAC control components to restore proper function and ensure long-term reliability — always shipped Fast and Free across the U.S..
Compatible with major brands including Goodman, Carrier, Trane, Rheem, York, Lennox, Bryant, Amana, and others.
⚙️ Products in This Category:
✅ Contactors (Single & Double Pole)
- Control power flow to compressors, fans, and blowers
- Solve problems like no cooling/heating or stuck units
- Available in 24V, 120V, and 240V coil options
✅ Relays
- Used in control boards, thermostats, blower motors, and defrost systems
- Fix issues like no blower operation, cycling problems, or signal failures
✅ Limit Switches & Pressure Switches
- Ensure safe system operation
- Detect airflow, temperature, or gas pressure changes and shut down unsafe systems
✅ Toggle, Rocker & Rotary Switches
- Found in wall units, mini-splits, or older HVAC control panels
- Replace cracked, burned out, or non-responsive switches
⚠️ Signs of Failure:
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Clicking without startup
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System won’t turn on or stays stuck
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Blower or compressor doesn’t shut off
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Thermostat seems fine but HVAC isn’t responding
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Visible burn marks or corrosion on terminals
✅ Why Buy HVAC Control Components from Parts-O-Matic?
✔️ Commercial-grade and residential-compatible options
✔️ Clear specifications for coil voltage, amperage, and pole configuration
✔️ Trusted by HVAC pros and property managers
✔️ Always Fast and Free U.S. shipping – no minimums
✔️ Technical support available to ensure proper fit and function
🛒 Bring back full control to your heating and cooling systems — shop HVAC relays, contactors, and switches today at Parts-O-Matic.com, where precision parts and fast, free shipping keep your system running right.