There has been much written and many jokes made about the misdiagnosis of TXV (Thermostatic expansion valves) and rightly so. This article will cut straight to the point to help those of you who may ...

When troubleshooting a system with a thermostatic expansion valve (TXV), it is a good practice to measure the refrigerant’s superheat value leaving the evaporator. This is one of several good ...

Shut off the water to the leaking water valve. Unscrew the handle from the stem, lift the handle off, then loosen and remove ...