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  1. #1
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    May 2020
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    White chalky substance



    Hello, I came across a blocked TXV strainer today, the gauze was fully blocked with a white chalky substance? I’m thinking moisture in the system? But I’ve never seen this before, can anyone shed any light picture should be attached? 7B492F9E-889E-410C-B0C2-5ADEA74D38A6.jpg
    Thanks7B492F9E-889E-410C-B0C2-5ADEA74D38A6.jpg



  2. #2
    Join Date
    Feb 2008
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    england
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    Re: White chalky substance

    is it the drier braking down have seen it on 134a systems

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