water too hot

my redring 500s 8.5kw shower is playing up, the water is scolding when its on high power but with the temperature turned down, there is not much difference in the temperature of the water between the lowest and highest setting whilst on high power. Altough when on medium power the shower is cold up to 5 and then only warm above that, can anyone help on this matter?
Asked 10 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 then it starts to heat again and so on.

 

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

The other possibility is a faulty flow/stabilizer valve not allowing the correct amount of water into the shower.


 

Answered 10 years ago by The Shower Doctor

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