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redring plus extra not heating

This question is regarding Plus 8.5 Extra Shower (1996 - 2000) Shower Spares

water not heating up

Asked 8 years ago by Anonymous
If the shower is absolutely cold then I thinkyou may have a faulty Thermal Cut Out

A faulty TCO will have no continuity across the two terminals(The black thing on top of the heating tank)

Therefore a good TCO will have power at both connections and afaulty TCO will have power at only one.

(The function of the TCO is, if the water over heats it cuts thepower off to the elements)See Ifthere is some heat it may be a faulty element in the heating tank (there aretwo, three in most 10kw showers) you can check them with a multi meter youshould have a reading of around 12>18 ohms. If you have power to theelements and no heat it's probably the elements, no power to theelements 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 andtesting the various parts of your shower. Apart from helping to fix yourshower, they are really useful for checking you have a power supply toappliances, for checking fuses, letting you know much power you have left inbatteries (so you know if they are dud ornot)  and lots of other jobs, in short they are well  worth the £10.
Answered 8 years ago by Anonymous
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