let's properly diagnose the TXV 1st let's feed the TXV enough liquid refrigerant so it can control the superheat for us. We need a full column of liquid AT the TXV inlet, not just outside. This is why I love sight glasses but also a service port at the inlet of the TXV so I can measure subcooling there. restrictions such as clogged filter driers, kinks, double driers, uninsulated liquid lines across a hot attic can all cause this to be an issue. 2nd enough liquid pressure. make sure the liquid r
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