my sime 120 combi ,is working fine for central heating but hot water goes from hot to cold aprox every 3/4 minutes therefore can not run a bath or have a complete shower any ideas why? boiler tech does not know and sime telephone is uncontactable
What you need is a Quattro diverter valve it would take too long to explain the workings of the device but it will solve your problem cost approx £95 and extra cost for fitting if you are unable to do so yourself.
George
May 2009
Automatic Answer
While you wait for answers, we may have found some information which could help you.
howtomendit.com for free repair help, information and advice.
