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04-13-2023, 11:10 AM
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#20 |
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Registered User
Join Date: Dec 2005
Location: Kalifornia
Posts: 355
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Re: A/C repair
You didn't say if it holds 18 inches when you close off your manifold. Tell us and I can give you some ideas. I sold pressure switches for many years and have never seen one with an o ring. They are a brass flare fitting with a core depressor. Metal to metal flare seal. Did you borrow a vacuum pump?
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