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- 24 Jan 2019
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Not long moved into a new house. It has an old gravity fed water system. There are 2 showers upstairs, both running from a pump in the airing cupboard. One works perfectly and the other will not hold its temperature for love nor money. I assumed (wrongly it seems) that because one was fine that the fault with the other one must be the thermostatic valve in the shower mixer. Because it was fairly cheap (and an easy bolt on job) I simply bought a new shower with the same fitting and connected it up. However it's exactly the same as the old one - temperature all over the place, a tiny movement of the lever results in a massive change in temperature etc. Can anyone point me in the direction of what the issue might be?
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