Not going up to full temp
It sounds like you have a water flow or pressure problem
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 open / close the safety device that allows power through to the elements
You could give your local water authority a ring an ask them what your water pressure should be, they will probably say that the supply a minimum of 1bar (the minimum required to operate a shower)however press them and ask what it is likely to be first thing in the morning (when everybody is showering)
They could have the pressure turned down because they are working on the main, or because there is a burst pipe some where and they have turned the pressure down to try to save water, or the pressure maybe low just because there is a burst pipe somewhere, that hasn’t been discovered yet!
Answered 12 years ago by The Shower Doctor
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