We are fitting a new kitchen soon where the sink and washing machine will be in a different location. I am working on modifying the supply pipework accordingly.
I have created a new branch from the rising main to where the cold tap will go and part way along this branch I have put an appliance valve T piece as per the instructions in the 'Plumbing - Washing / Dishwasher' project.
It occured to me last night that as a result of this setup there is no non-return valve to stop water flowing back from the washing machine.
Is what I have done ok and not worth worrying about?
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