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Nicholas RobertsAug 6, 2025
What to do if the pressure membrane doesn't stretch in my GOMARK Power Tool?
- BBrent JonesAug 6, 2025
If the pressure membrane in your GOMARK Power Tool isn't stretching, the possible causes are: the air-release valve isn’t closed (tighten it); the outlet valve isn’t closed (tighten it); or there is air in the water pressure application system (unwind the outlet valve until the water starts running again).
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