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花园喷洒器闸门漏水的两种修理方法Brass Anti-Siphon Sprinkler Valve
You may try to clean it first. For an old valve, the gasket may be worn out already so cleaning will not work. We will show two different ways to fix it, either rebuilding it or replacing it. Rebuilding is cheaper and requires less time than replacement. more details or full transcript can be found here: https://geniusasian.com/fix-brass-anti-siphon-sprinkler-leak-rebuild/ youtube