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Product Details

Suitable for use with washing machines and dishwashers
• Prevents water hammer

Technical Specification
Manufacture ID DW660-H
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm £5 Free
Turbo usually Next Business Day before 12 noon £10 £5
Remote areas standard delivery (2-4 days) £5 Free
Order Value: Under £25 Over £25 but less than £75 £75 & Over
£10 £5 Free

Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details
If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 8pm Mon-Sat (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Mini Rester 3/4" Hose Union is rated 4.2 out of 5 by 30.
Rated 5 out of 5 by from Fixed issue Fixed issue perfectly although had to experiment with placement to work out where to put it. Only issue was tightening it so it didn't leak, needs PTFE tape but otherwise perfect.
Date published: 2019-03-11
Rated 2 out of 5 by from Doesn't rest I bought one several months ago as we have water hammer on the system and in particular with the washing m/c. However it's still hammering. Maybe it's in the wrong place or the problem is too severe? Instructions are very basic an it's easy to fit.
Date published: 2018-11-17
Rated 2 out of 5 by from Does not fit Although advertised this does not fit a standard washing machine service valve nor does the standard washing machine hose fit. Returning for a refund. Packaging was also open. Probably previously been returned for the same reason.
Date published: 2018-09-21
Rated 5 out of 5 by from Works well Bought to fix water hammer in two houses. Worked in both. In one house it took a few weeks to 'bed in' to make it fully silent.
Date published: 2018-08-10
Rated 5 out of 5 by from Easy to install, nearly eliminated noise I bought two of these about two weeks ago and am very happy with them. I had extremely noisy water hammer in the pipes when macerator and washing machine were running and installed this on both. Installation could not be easier, took me 2 minutes to install each. Noise is nearly gone (only from macerator) but that was a really bad banging, so can't expect to be totally gone I suppose. Perhaps should install a larger shock arrester for that one, but we'll see how it goes. Shipping was very fast (arrived next day), very good price. Fully recommend
Date published: 2018-06-09
Rated 5 out of 5 by from Excellent Bought one week ago and it does what it is supposed to.
Date published: 2018-05-20
Rated 5 out of 5 by from Solved hammer problem.. Recently purchased a new washing machine, it was causing severe hammer in the pipe work.. fitted the arrestor in the cold water supply line to the washing machine. Sorted!... took a couple of minutes to fit! Recommend!
Date published: 2018-03-24
Rated 4 out of 5 by from Sorted the problem After installing a new washing machine we were bothered with water hammer when the machine was filling
Date published: 2018-03-06
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