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 ...

Timothy has written about personal finance, including detailed home renovation and repair cost guides, since 2017. His work covers everything from plumbing and roofing to solar and pest control. Find ...

A sight glass is commonly installed in the liquid line of systems that use a thermostatic expansion valve (TXV) metering device, and it allows technicians to view the condition of the refrigerant at ...