Mira Sport Max - Intermittent Overheating

Hi again,

I am still having overheating issues, where the overheat light comes on intermittently, staying on for slightly longer now (10-15 secs) before going off and warming up again for say 30 seconds.

I have checked and cleaned the shower head, hose and inlet filter, none of which were particularly blocked.

I have also checked continuity across the thermal switch and all is fine there also.

Water supplies to house and shower are as normal, which is confirmed when running the shower on cold, the unit has a powerful spray. However, turn it to full hot and the pressure drops right off, with the sound of boiling water coming from the heating unit.

I'm guessing that the heater unit is on it's way out, but just wanted to check to see if there's a cheaper solution......any thoughts?

Many thanks in advance.

Asked 12 years ago by Anonymous

 The things to check first are.

1 That the main valve coming into your house is fully open.

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

If these valves are not fully open then there may not be enough water
getting to your shower to open / close the safety device that allowspower through to the elements

Make sure that the shower headis clean 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

If all the above are OK then Iwould fit a new  flow valve

Answered 12 years ago by The Shower Doctor

View Spares and Order Parts:

Do you need any additional help to find the correct spare part?

Please click the following link if you would like to see other answers or ask a question regarding the Mira Sport Max - Shower Spares

If you've landed here and this question is not about your specific product, please take a look at these similar items on our Mira Electric Showers Spares page. Alternatively, if you're looking for any other brands you should view our full range of Shower Spares.

If you do not want to proceed with a repair or you want to buy this item or similar, please consider one of our Replacement Mira Electric Showers

For any other support request please get in touch.