Metering the refrigerant flow to the evaporator is the sole function of a thermal expansion valve (TEV).

Parker Hannifin now offers its Bestobell thermal relief valve (TRV) in stainless steel and with the option of 12mm integrated A-Lok two ferrule connections for leak-free performance in a variety of ...

The NXT Series R-410A thermal expansion valve (TXV) is a balanced ported valve designed for high-efficiency R-410A air conditioning and heat pump applications. NXT Series valves operate over a wide ...

Many water heaters feature an expansion tank to protect the system. Here's what a water heater expansion tank does and how you know if your system needs one.