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New thermostatic shower cylinder fitted - now water is not hot enough

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B

BrianCox

Apr 14, 2021
10
0
1
Leicester
Member Type
DIY or Homeowner
I have a Bristan mixer shower. It started leaking from the temperature control. A local plumber replaced the thermostatic cylinder. It now doesn't leak - but the water is now 15-20 per cent colder than it was before when the temperature is at max hot. Why? What's amiss here?
 
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