i have a sime format 100, the boiler wont fire up when i turn on my hot water, the water is only luke warm when i turn it on when it fires up to heat the radiators, the radiators heat up fully and my timer works no problem apart from the hot water from my taps i have no other symtems.

peter mccann, January 2008

for f*** call a corgi bloke but it sounds like diafragm in diverter valve(believe me)

erc, February 2008