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Post by jcplumb on Jul 19, 2016 17:45:12 GMT
Got a customer who has called me in after an absolute nightmare with a cowboy builder and an ex-friend project managing her renovation. I feel really sorry for her, she was actually crying when explaining what had gone on when I first went round. Anyway, she has a basin mixer that she really would like to use, unfortunately her hot water is on gravity and her cold water could strip the skin off your hands. My first piece of advice was that 2 seperate taps are needed. I put my hand over the spout of her kitchen tap and opened the cold up and could hardly stop the flow, didn't test the pressure but it's very 'good'. The cowboy builder has literally ripped her off for thousands of pounds so I'm going to try and get the tap to work. It's a square handled waterfall type tap and Joyou do one that would be perfect as it is designed for use on all water systems but I can't find anywhere with one in stock.
Anyone had any success with gate valves or other forms of ISO's in getting the cold flow low enough for a blender type tap to work on such a system? Obviously I'll be fitting an NRV on the hot pipework and I know that limiting the flow won't limit the pressure, but would love to try and sort this for her as easily(and cheaply) as possible.
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Post by crowsfoot on Jul 19, 2016 18:59:19 GMT
I've never fitted one of those taps for me they fall into the "plumbing gimmick" category along with many other fancy gimmicks from days gone by. Swivel radiator valves being on of my all time gimmick favourites.
However, on to the troubled tap. A pressure reducing valve on the cold supply would get the pressure down more professionally than messing about with gate valves iso's. Maybe a blending valve on the hot side would also have some benefit on the low hot water pressure.
Like I said I 've never fitted one, so the above are just my thoughts on what things you could try, Good luck, Tappy,
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Post by tomplum on Jul 19, 2016 20:30:15 GMT
I've done similar jobs and iso's on the hot and cold has worked, I adjusted each iso so it doest piss at you when the tap is opened, As tappy says, these new fangle taps are a gimmick we just have to adapt them to do a half decent job,
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Post by Deleted on Jul 19, 2016 21:11:51 GMT
Them waterfall taps should also have the restricters fitted that come with the tap, without them fitted. every time you wash your hands.
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Post by Deleted on Jul 19, 2016 21:12:46 GMT
Oh yeah!!!! And they're shit.
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Post by jcplumb on Jul 19, 2016 22:26:21 GMT
Thanks for the advice chaps Tom - that's exactly what I wanted to hear 1787034013 yippee
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Post by jcplumb on Aug 9, 2016 0:51:51 GMT
Forgot to update this, it was fine with just an ISO to lower the flow from the cold and a check valve on the hot. Was very pleased when it worked out:) Thanks guys! ok-wink
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Post by tomplum on Aug 9, 2016 7:24:19 GMT
great ending JC, thanks for letting us know,
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