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Right, bit of a strange one. I have a valiant eco tec 618 system boiler in the garage. 2 zones, plus hot water Last week when it was very cold I noticed that when I turned heating on the boiler was not firing up enough to heat the system (flame bar roughly at 25%) - this only happened when the...

currently having issue when turning my heating on. When turning the heating on the boiler does not fire up properly/fully so heating and water do not get hot. This seems to happen when the anti frost / pipe stat have already been running. Any ideas what the issue could be? When calling for...

I’m having a sporadic issue with my boiler and can’t seem to work out what’s going wrong. This happens when it’s cold like at the moment. Turn heating on and boiler doesn’t fire up fully meaning rads only get warm and not hot and house doesn’t warm up. This seems to happen when the frost...

Hi, hoping someone can help me me make sense of this: We have the Honeywell frost protection kit connected to our boiler in the garage. I noticed that when the frost stat kicked in, the boiler was just staying on. Went out to look, frost stat was set to 5 and the pipe state set to 10, when I...