overheating when tap is turned on
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, it overheats the safety device cuts in (TCO) and turns the power off to the elements until it cools down and 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
Is the shower connected to the water mains? If it is then it is possible that the mains have low pressure, you need at least 1bar pressure for your shower to work properly you could give your water authority a ring and ask them what the pressure is in your street.
Answered 7 years ago by George Thomson
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