Heat Pump Knowledge: Why Is the Reversing Valve so Important?

The reversing valve is one of the most critical components in heating and cooling equipment. It’s the piece that allows heat pumps to switch between heating and cooling modes to provide seamless comfort for homeowners in Atlanta, GA, and other parts of the Peach State. Learn more about this device, how it works, and why it’s so important.

What Is the Reversing Valve?

Heat pumps rely on a specially designed solenoid valve to provide heating and cooling depending on your immediate needs. Solenoid valves are often associated with cars since they’re part of the ignition relay. Once your key triggers the ignition, the solenoid valve is vital for sending gas to the engine. It also ensures that the gas stops flowing once you turn off your vehicle.

In air-source heat pumps, solenoid valves reverse the flow of refrigerant. Instead of cooling the air and releasing excess heat outside like an ordinary air conditioner, the system can reverse the cycle to distribute heat across your home.

Understanding Solenoid Valves

Solenoids are a type of electromagnetic valve powered by a coil and magnet. They feature a moving armature controlled by the magnetic field that the coil generates. Due to this design, the valve can become stuck in the open or closed position. Additionally, the armature may not engage fully if the coil is not properly energized.

Troubleshooting Heat Pumps

If your heat pump is having trouble switching between heating and cooling modes, the reversing valve is the most likely culprit. However, underlying electrical issues may be causing the malfunction. Faulty or leaking compressor valves can also create pressure imbalances that affect the system’s normal operation. To prevent these and other potential problems, we’ll check these parts during routine maintenance appointments. We also offer diagnostic services and AC repairs.

For help troubleshooting your heat pump, call Ful-Bro Heating and Air Conditioning Inc. today. Since 1967, our loyal customers have trusted us to provide the personal touch needed to ensure complete indoor comfort.

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