not heating on full heat setting

Yes this definitely sounds like a 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 cool it properly, a safety device cuts in and turns the power off to the elements.

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

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!

The water pressure is above 1 bar for sure and the shower works on the low heat setting just not high heat what could be causing this

It may be a faulty element in the heating tank (there are two, three in most 10kw showers) you can check them with a multi meter you should have a reading of around 12>18 ohms.

If you have power to the elements and no heat it's probably the elements, no power to the elements then it's probably a micro switch.

www.youtube.com/watch?v=wzPt1hsfVq4


If you don’t have a multimeter we sell them at £10 each with a guide on how to use them for checking and testing the various parts of your shower.


Apart from helping to fix your shower, they are really useful for checking you have a power supply to appliances, for checking fuses, letting you know much power you have left in batteries

(so you know if they are dud or not) and lots of other jobs, in short they are well worth the money.


www.showerdoc.com/installation/electrical-products/SKYTRO-600-005-Digital-Multi-Tester