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Thread: Hitecsa txv?
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06-09-2016, 07:10 PM #1
Hitecsa txv?
Hi this is my first post and have been working on a system I am not familiar with at all. The system is running ok in heating but when switching over to cooling it then suddenly goes into vac and cuts out within seconds. 4 way valve has been changed and the only thing that I can see which looks like it could be a TXV is this picture attached any help or advice much appreciated