Review on GooMeng4S Couplers Conditioner Ductless Charging by Shawn Jacobs
Good work. review advice.
Because the Schrader valve depressor is too tight to do anything. Pull back just enough to push on the schrader valve in the mini-split, but not so far that it fails to seal. After tuning, he pulled out the perfect vacuum.
Pros
- Automotive
Cons
- Safety
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