Make sure the reversing valve is energized. Use your voltmeter to ensure the proper voltage is at the solenoid coil, then hold a small screw driver close to the coil to see if there is a magnetic field present.Click to see full answer. Herein, what are the symptoms of a bad reversing valve?Defective reversing valves can sometimes be hard to detect, particularly in mild weather. Weak compressor valves and bleeding reversing valves are usually characterized by higher-than-normal back pressure and lower-than-normal high-side pressure, as well as low system capacity.Similarly, what does a reversing valve look like? The reversing valve is a medium-sized, cylindrical metal component with 3 smaller tube-like valves on one side and a single tube-like valve on the other; there is also a small electrical component called a solenoid on top of it. People also ask, what causes a reversing valve to stick? One of the most common problems that can develop with a reversing valve is that is can get stuck. If the valve is stuck due to a bad solenoid, the solenoid can be replaced; but should there be another problem causing the valve to stick, such as leaking refrigerant, the valve will need to be replaced.How much does it cost to replace a reversing valve?This typically means the reversing valve needs to be replaced, which averages $450-$600. This typically means the reversing valve needs to be replaced, which averages $450-$600. A basic thermostat 1 costs $40-$70, while a programmable thermostat 1 averages $80-$150.
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