Reversing Valve Grainger

Is 24v The Correct Voltage When Testing A Reversing Valve. Diagnosing a Reversing Valve HVAC School If the valve sticks, it will not change from the heating to the cooling position or vice versa The second of my two Carrier heat pump units is not switching from heat to cool

Go to the thermostat pull it off the wall and jump red to orange or whatever color the reversing valve is using If you have voltage to the reversing valve and it won't run in heating mode then your reversing valve.

How to replace a Reversing Valve & test a Solenoid Coil YouTube

If you have voltage to the reversing valve and it won't run in heating mode then your reversing valve. If you have voltage to the reversing valve and it won't run in heating mode then your reversing valve. The second of my two Carrier heat pump units is not switching from heat to cool

Trane COL14716 Reversing Valve Coil 24v. To make sure you have a good reference point check that you are seeing 24V at Red on the defrost board I pulled the flow reverser valve actuation solenoid off to test it

CARRIER, For 213ANA018000BEAA, Fits Carrier Brand, Reversing Valve, 24V.
For the second question, refrigerant is indeed a high-pressure gas when entering the compressor in a typical. I would imagine that always being energized would eventually lead to a premature solenoid failure.