2 hours ago Jo asked ... How to engage clutch on old sewing machine to engage needle?    |    Jacky asked ... Miele Vacuum cleaner?    |    Ben asked ... Toyota Yaris French or Japanese?    |    Andy asked ... How can I mend my MacAlistair 450w hedge trimmer?    |    Felix asked ... Hitachi vt-m70em?    |    Click here to ask your question

My Aquilisa axis digital shower is too hot. ?

The water ranges from hot to very hot. We are told the valve has gone and will cost a minimum of £400 to fix! It is just outside of warranty . How do I fix.
Mr m, June 2016