A thermostatic expansion valve (TXV) is designed to maintain a specific amount of superheat at the outlet of the evaporator. If the superheat value is too high or too low, the TXV may be the cause.
The move to higher-efficiency unitary systems has caused, among other things, a veritable explosion in the use of thermal expansion valves (TXVs/TEVs) in the residential-light commercial market. They ...
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