vitodens

Hi I was wondering if anyone could help me with raising the central heating temperature above 55 degrees on the above boiler. Instructions read to go into the menu using the three bar icon and then use the up arrow to increase temperature. However I can’t set the temperature any higher than...

Hi. I'm new here. I've purchased Google Nest 3rd Generation learning thermostat and engineer came yesterday to install it. Live + neutral from Heatlink connected to boilers live & neutral, then OT1 and OT2 connected to the block on top of the electric board (pin 3 & 4) (see image- not mine, but...

Hi. I have a viesmanm vitodens 50 but I've noticed it's behavior change recently I think. When running a bath for example, the boiler will fire up and start providing hot water as expected. The temp on the boiler display climbs steadily to about 85 degrees with the burner indicator showing 5...

I have a 2017 Viessmann Vitodens 100-W condensing gas boiler connected to a radiant floor heating manifold. No external pump. 120m2 floor area. Recently had the annual service. Boiler has been on for about a week now heating the underfloor heating cement slab. It is my impression that the...

Hi Folks, Looking for a bit of help here. We moved into our current house in 2018 and have always had a bit of an issue with the heating. The boiler is a Viessmann 200-W WB2B system boiler, and the central heating is split into the zones, each controlled by a thermostat. The boiler is plumbed...

Hi All, I have a Vitodens 100-W WB1B boiler feeding an 8 rad system. There are 6 rads on the ground floor (4 steel and 2 cast iron) and 2 rads on the lower ground (vertical ones). The boiler must be a few years old but the rads are new and I sized them as best I could using the BTU calculators...

Hello all! I've just got a new Combi boiler installed and would like to clarify two things (I have heating off atm and DHW set to 50ºC (which is default). - While using hot tap water, display shows it goes to around 64ºC. Shouldn't it be around 50 as per setting? - In DHW, does it matter if...

I have a Vitodens 100 WB1A boiler and just lately we've been getting an error where we don't get hot water after using it for washing up for example. We have to press reset for it to work again, however it keeps occurring. We've researched it and it came out as too low pressure and you need to...

I'm completely unexperienced with all of this, but am hoping for some help here before I have to call someone out.. I have a Viessmann Vitodens 100-W WB1B boiler (pictured) which, as of last night, has dropped to a temperature of between 11 and 13 degrees, leaving me without heating or hot...

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...