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Hey guys. The house is warm now and does not trip or even go close to the hi temp limit. Cuts out around 185F which has been awesome. As soon as I try the hot water instead of the heated floors it kicks out after the 3rd or 4th attempt now. If the floors do not need the temp it provides...

Can you attach a picture of the diverting valve for me? Even if mine is different I should be able to figure it out from a picture. I just need to get this running. Two nights now and its pretty cold for my family. Let me know. Thx.

Sorry, what is the process to clean the diverter valve?

The serial number for the viessmann unit is 724422703262. Can I just clean the diverter valve to atleast get the hot water running for the weekend? Thanks again for the help!!

Guys, I just had a power flush done a few months back. The water is a little dirty as I noticed when I swapped the boiler temp sensor but very minor. I just need to know why the temp goes so high when the system is setup to heat the water and the front know does not control the range that...

I have it going from 100 to 180 when I have the heating system triggered but as soon as I turn the temp sensor on the hot water tank to a higher setting to heat up the hot water for the house, it does the same thing. It goes past 245F after the second cycle. I turn the temp knob on the front...

I turned down the temp knob and did not make a difference. It would still go over the temp after completing the second cycle. I have it at 12:00 right now but have tried it at many different positions with no change to the problem I have a hot water storage tank on it too. I just turned...

Hey guys, I have a Viessmann Vitodens 100 model WB1A24. Have had it for about a year now and always had F2 and very few F4 alarms. Now I can't get the unit to work at all.... My situation is that I start it up, goes to the cut off temp of 210 to 220F on the initial startup which is fine...