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View the thread, titled "Water Hammer on washing Machine" which is posted in UK Plumbers Forums on UK Plumbers Forums.

Have a problem with water hammer on washing machine, solved it for a bit with a mini rester been thro 2 seem to only last a year or so and expensive. So purchased a 1/2" T and a 0.16L mini expansion vessel and T what pressure should it be set at? When I first used machine it seemed ok then few days later rather than a thud its sounds like someone hitting a pan with a wooden spoon. Also the washing machine isolation valve has a non return the mini rester went between washing machine and the isolation valve with the mini expansion this is T in before the washing machine isolator is this part of the problem?

The plumbing config - Incoming main goes to outside taps then via a megaflow 3 bar pressure reducing valve to Hot water tank and T off to all sinks/shower and washing machine etc
 

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Title
Water Hammer on washing Machine
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UK Plumbers Forums
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digi77,
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digi77,
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