Thermostatic Shower Problem - Please Help

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22 May 2008
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Invernesshire
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United Kingdom
Hi Guys

recently myself and my father in law fitted a new bathroom suite with a hidden Thermostatic shower fitted into a cavity wall. Everything has been completed - tiling etc, and its been fitted for a few weeks now.

The shower ( http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=170222328152 ) has two heads on it, one main shower and one hand unit. The controls have been fitted correctly, with hot and cold plumbed into the correct intakes, the hand shower on output 1 and the main head on output 2, as instructed.

All controls were fitted and tested, and all were working fine. The shower is connected to a Greenstar 28i junior, and there seems to be plenty of water pressure to drive each shower head.

The problem is that the hand shower doesn't seem to want to turn off. I can open the control to on, and there is plenty of pressure and water - all fine. However when I turn to controls to off, there is still a trickly of water running out of the unit. I've tried changing the temp in case it was the thermostatic valve, and sometimes the water stops, but if the shower is left for a while, the trickle starts again.

It was fine for the first week or so, but this seems to happen more and more often - does anyone know if there is any way of adjusting the unit without ripping the whole thing out?

Many thanks in advance
 
Well, I stripped out the valve, gave it a good clean and it seems that the prolem was the metal bracket that the valve sat it - I fitted the valve back in without it and its working fine.

The only thing that I can think of is that the additional thickness of the metal bracket stopped the rubber washer within the valve sealing to the inside of the shower unit?
 

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