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I don’t think so if I am honest

I use Gledhill and Joule, ask for twin coil for greater recovery if possible

If you want it as a dumb stat your better off getting a Viessmann Vitotrol 200 and using that with internal reference, then use the tado to control over shoot or keeping rooms cooler that aren’t used. Let the boiler do the WC and let it modulate

Nice story. Coding cards are no more than £20. All what you are saying sounds inaccurate. Each to their own though

How do you work that out?

Not really, I am an installer, I spend about 250k a year with them at least. The least problematic boiler I have ever had dealings with. I have installed systems from 16kw to several MW with them. So I know what to look for in quality

Viessmann are brilliant boilers and not junk like mentioned above There should be a shraeder valve behind the black cap. You can buy one from Halfords for a relatively small amount and screw it in. You will need to re pressurise it whilst the system is drained or at zero pressure.

Hi there I am a Viessmann Installer Tado is a way viessmann have used to make their Vitodens 100 app ready You can use it on the Vitodens 200 but it’s better using the HO2B or HO2C and getting their Vitoconnect Tado works using Opentherm which will run the boiler at a higher temperature then...