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Heat Pump 08 EXV EEV Electronic Expansion Valve
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Heat Pump 03 Reversing valve
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A/C Diagnosis-Sticking Thermal Expansion Valve (TXV, H-Valve)
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Should You Replace a Bad TXV with a Piston? & TXV Diagnosis!
26:00
Learn Everything About Heat Pump Defrost
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Why and How to Adjust a TXV / TEV
8:28