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Washing Machine Backflow into Sink - Do I Have a Blockage?

Postby carolh » Sun Aug 10, 2014 4:32 pm

My washing machine is backflowing into my sink when it drains. I have cleaned out the sink trap, which has improved the situation somewhat - it's still backflowing but not as much. Does this mean the pipes are blocked too?

Grateful for any help.
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Simply Build It

Postby thedoctor » Wed Aug 13, 2014 8:25 am

This could certainly be a reason. If the washing machine has only recently been plumbed in and this is happening from the word go then we suspect bad plumbing but if the macine has been there for a while and this has only just started then, yes,a blockage is most likely.
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