viessman

Hi, long story short my hive has been wired using a dual channel receiver on a viessmann combo boiler. Since removing the hub as I’m moving home, it only fires the boiler when I boost the hot water on the thermostat. Spoke to hive who said I should us the single channel receiver for the new...

I previously made a post here about low heat output of the boiler - this has been mostly rectified with a balance however two radiators still only get hot at the top and not at the bottom. Edit: Forgot to mention the boiler is a 26kW Viessmann Vitodens 100-W WB1B :) When the heating/hot...

Hi hope somebody can help! We've had our open system boiler upgraded to a Viessmann Vitodens 050 combi back in August last year. When we had the heating on the first time in November when the thermostat was set to 20℃. After giving birth and having parents coming from the far east to help out...

Hi all, I have Vitodens 100-w and its combi boiler. But, I have got hot water and heating version of hive. Main supply lines were coming directly to old thermostat and then were going to boiler main supply, I have kept it same in the diagram below. Please guide: Where to connect 1 and L from...

Hi, We are having lots of problems with our boiler at the moment and not getting far with the people I've had out to it. I'm hoping someone with experience of these boilers can give me some tips on what too look for / report. Its a Vitodens 200 WB2B, almost 10 years old, lots of problems in...

Hi Everyone, I've been searching online and came across this website which seemed to have knowledgeable contributors so thought I'd join to ask some questions about a planned new central heating system. Apologies for the long post whilst I set the scene. My house consists of a lounge, a...

Hi, I am considering purchasing the 35kw version of above boiler. What have been your experiences with this boiler? I am also considering purchasing the weather compensation sensor. Does anyone else have this on this particular model? I know that the weather compensation on the 200 range is...

Hello, I was hoping you could help me identify what is causing the problem with my Viessman Combi Boiler. It is a Viessman VITODENS 111-W. Type B1LA. Gas condensing and storage Combi Boiler. The Pressure drops to below 1 bar (Pre determined cut off point) and the boiler refuses to turn on. So i...

I have a 4 year old Viessmann Vitodens 100 Combi boiler feeding an unvented hot water system and underfloor heating system. My issue is with the hot water circuit. When the hot water system switches on in the morning and the boiler fires up there is distinct rattle/judder which lasts a second...