Water only just warm on highest setting

The power for the shower tripped. After resetting it the shower runs warm only when I put it to the highest setting when 6 or 7 was enough previously. The low pressure light is NOT on.



I have checked the resistance of the solenoid and this is reading 2.5k ohms.



I believe that it should be around 3.5k ohms. Is this the likely cause of the less warm water?



I have checked that there is power going to the heater. Checked one live input to both neutral inputs(one at a time) and then the other live input to both neutral inputs. Is this the correct way to check the power?

Wasn't quite sure how to check the resistance. It seemed to be round 0 ohms for all combinations of live to neutral, but read 6k ohms for one of them.
Asked 11 years ago by Niels

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.

This Video may help

 http://www.youtube.com/watch?v=wzPt1hsfVq4cv

If you don’t have a multimeter  we sell them at around £10 each with a link to an on line 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.

 

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

 

I am not sure I follow the results of your tests however I am pretty certain that you have a faulty element inside your heating tank, therefore this will need replaced.

http://www.showerdoc.com/triton-heater-can-assembly-8-5kw-p12120701

http://www.showerdoc.com/triton-heater-can-assembly-9-5kw-p12120702

Answered 11 years ago by The Shower Doctor

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