Won't heat

Hi The shower heats to approx 35 but no higher. When I turn the cold water tap on in the bath it heats to approx 37/38 but no higher. Can I fix this?
Asked 7 years ago by Emma
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.




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.


There is a link below that explains the above.

Answered 7 years ago by Barrie Seabright

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