Too hot or too cold

Hi, please can you help, when the power knob is turned to the two red marks, the water is too hot even if the temperature knob is at it's coldest. When the power knob is turned to the one red mark the water is not hot enough even when the temperature knob is turned up as hot as possible. Seem to have the same good flow of water through the shower hose.

It would be great if someone could diagnose the part that's probably at fault. Thanks.
Asked 11 years ago by Anonymous

The things to check first are:

1 That the main valve coming into your house is fully open.

2 Then check that the valve on the line to the shower is fully open.

If these valves are not fully open then there may not be enough water getting to your shower to cool it properly the overheat safety device will turn the power off until it cools Then it all starts again

Make sure that the shower head is clean and clear, that the hose isn’t kinked (this can happen just behind the hand set where it is difficult to see) also check the inside of the hose although it can look OK on the outside it could have collapsed internally

Forgetting about the temperature turn the shower from fully hot to fully cold at fully hot you should have not much more than a dribble coming from the hose and on fully cold you should have a good strong flow, if you do not have this difference then you may have a faulty flow/stabilizer valve.

Answered 11 years ago by Anonymous

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