Recent content by Mcalm

I hate to say this, but the problem with a large majority of heating engineers is they lack the understanding of how to correctly wireup and configure the new generation of computer controlled e-bus Vaillant control systems to get the best comfort and efficiency for the end users. And most will...

@scw24489 - thank you for your detailed reply. I take everything you mentioned on board and you are spot on about reasons behind how folks end up in trades. I was also one of them, I was a hand on guy and could not see myself stuck behind a desk pushing a pen or as in now sit in front of a...

@scw24489 - Hat's off to you ! You have hit the nail on the head about UK domestic installers NOT ever going to forward thinking to use WC and or Modulation controls. I got out of the trade 20 years ago. I just got fed up with customers only looking for the cheapest price and only cared about...

Looking to find out how to go about finding the correct burner pressure settings to use on a Potterton Suprima 50L. The label (hand written) says 6.7 mbar while the service manual says it is 10.5 mbar. Which one to use? Moderator's note Please see...

I'm in the process of replacing my old Potterton Suprema 50 with a Vaillant Ecofit Pure 415 (open vent). Simple setup one zone with Hot water and I have Salus timer/controller fitted below the existing boiler and wired to a digital Salus thermostat in the hall way. The thermostat uses mains...