my vokera boiler has gone faulty since having a towel rail fitted in the summer. a part on the boiler was broke and was replaced. we think maybe something may have wrongly been switched on/off because now when running the hot water it keeps going cold and then warming up again

SALLY YEARDSLEY, January 2012

Vokera compact older model has two in one heat exchanger,take it out clean with spirit of salt,remove filter from cold water in let

ltd, January 2012