Recent content by caleroific

It was your original post and theSouth's which helped me solve this problem. Thank you.

Well done boilerdoctor almost 100% correct except the PCB was brand new. I also failed to say that the problem was intermittent and 9 times out of 10 the boiler fired up to full temperature correctly. However my point is that if I had found theSouth's post sooner I would have found the solution...

I know this thread has been running for a few years but I felt it was worth sharing my own experiences: I have a Worcester Bosch 40 CDI Regular boiler which was installed 8 years ago in 2010. I had this same problem recently with the boiler service manual indicating " The gradient limitation is...

I have recently installed a Worcester Bosch 40CDI Regular boiler. I have been checking the installation and think the Automatic Bypass Valve (abv)may be incorrectly set. I have looked through all the Worcester Bosch 40CDI lterature and can find no figure for the minimum flow rate. Can anybody...