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Washing machine drain non-return valve & connector
Plumbing  •  4 views  •  2 answers

Initial context: We newly installed a dishwasher next to our washing machine some time ago, using a Y-connector to connect both machines' drain hoses to a single hose which in turn connects to the drain beneath the sink. However, the washing machine apparently lacks an inbuilt non-return valve, as the …

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