Control knob for the flow of water

If I were to replace the front cover would this rectify the problem we have with controlling the lack of power from the shower head?


W Telford
Asked 12 years ago by William

If there is some heat from the shower you could have a faulty Outlet TCO, or a faulty element, therefore the shower will only be working at half power.

The outlet Thermal Cut Out this is a black disk with two wires going to it and it is mounted on the out let pipe (The bit between the heating tank and the hose)

Examine the connections closely if you see any discoloration / signs of overheating then the TCO needs replaced.


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.

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 £10.

Answered 12 years ago by Anonymous

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