Recent content by Porkpharm

Thanks for replies. I have tried hotwater preheat turned off and it has worked (at least the bedroom rads weren't running hot throughout the night). Also the boiler isn't overrunning when using hotwater. Re reliability of Valliant boiler-I am not impressed! Previous boiler (potterton) was...

Hi I have had this boiler for 5-6 years now and have alot of problems with it. Recently some my rads get hot even though the room thermostat is switched off. It seems to occur more when the hotwater us used, but rads are even hot in the middle of the night when no hotwater is being called for...