luke warm in winter

when the weather is cold and the main water coming into my property is cold the shower does not heat it up enough used to work fine just wondering what part needs replacing
Asked 11 years ago by Kevin

The temperature and flow rate are always (Nearlyalways!! and always in your type of shower) connected.

When you turn your shower on you have a9kw element heating the water and this does not vary the way youalter the temperature is by varying the amount of water that passes over theelement, pass the water over the element slowly (a little water) and it getsvery hot, pass it over quickly (a high flow rate) and it doesn’t have time topick up much heat.

This explains why in the winter at thesame setting as the summer the shower is not so hot because the temperature ofthe incoming water has changed.   

You do not say what kw your shower is. 
 Also,

it may be a faulty elementin the heating tank (there are two, three in most 10kw showers) you can checkthem with a multi meter you should 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 the elements thenit's probably a micro switch.

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

Apart from helping to fixyour shower, 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.

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

Answered 11 years ago by Anonymous

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