This question is regarding Mira Sport - post 1998 - Shower Spares

Shower switches from hot to clod while running normal

When the shower is running the temperature of the water changes from hot to cold and then back to hot over a minute or so. When this happens the light in the bath room brightens and then dims. It does this normally when switching the shower on, and off.



I have checked some of the information on the question and answer pages, and from that have checked the flow rate of the water coming into the shower. The hose and shower head. I do believe that I have a normal flow rate as the water being delivered from the shower head is constant. I believe that I could have an intermittent over temperature sensor on the top of the tank which I have ordered. Could you suggest any other reasons for these symptoms?



Thank you, Ratty



P.S.

I find your Web Site very easy to use. The questions & answers informative, and the diagram for the parts clear and easy to find and order.
Asked 11 years ago by Anonymous

The things to check firstare:

1 That the main valve cominginto your house is fully open.

2 Then check that the valve on the line to the shower isfully open.

If these valvesare not fully open then there may not be enough water getting to your shower to cool it properly the overheatsafety device will turn the power offuntil it cools Then it all starts again

Make sure that the shower head isclean and clear, that the hose isn’t kinked (this can happen just behind thehand set where it is difficult to see) also check the inside of the hosealthough it can look OK on the outside it could have collapsed internally

The other possibility is a faultyflow/stabilizer valve not allowing the correct amount of water into the shower.

A rough check is to remove theshower head turn temperature control to fully hot the water coming out of thehose should be a bit more than a dribble then turn to fully cold and it shouldbe coming out at full flow.

Ifthere is not much difference between the two then you could have a faulty flowvalve.

Carry out this checkafter you check the inlet valves.

Answered 11 years ago by Anonymous

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