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Hi Alan. It wasn't convenient to play around with the system this morning. But I intend going back this afternoon and try from scratch. I'll turn off all of the radiators in the main hall and let the system run to see if it can heat the six remaining radiators enough for them to get very...

Hi Dan, you are correct. We think the original boiler was a free standing Glow Worm. Will

When I checked today the boiler was reading 73deg at one point. It had been just under 70deg. In the main room the thermometer reading was below 60deg, everyone kept their coats on! Like you I had read the higher temperature in the manual, but how to get it is the problem. Regards Will

Hi thetman I don't know about the optional weather compensation sensor? But I'll send an e-mail to the guy who fitted the boiler and ask him I don't know how I'll do it, but I'll try to check the temp of the flow and return pipes tomorrow. Thanks Will

The original boiler I think was a Potterton Cowan, and was originally fitted about 1973. The new boiler is a Vitodens 100 19kw open vent model. There is a roomstat in the main hall. When the new boiler was fitted and the system flushed, new thermostatic valves were fitted to all of the...

If I travel to London in a Fiesta and you in a Jaguar we'll both get there, but it would take me longer. Would it not be the same case with boilers? Both heating the radiators to the same temperature, but one taking longer than the other. Providing they ran at the same temperatue. You have...

This isn't scientific, but before this boiler was fitted all of the rediators got too hot to keep your hands on for more than a few moments. Now you can keep your hands on for as long as you like! All of the radiators get to the same temperature. I have tried turning off the radiators in the...

Hi Tony. I can't give you much in the way of scientific information, but I can confirm that it runs all of the time. With regards to the church, its not one of those big sandstone building with a high roof. It is a single storey brick building and the system runs 13 radiators. This part of...

The church that I am a member of, replaced on old boiler 18 month ago with a Vitodens 100 19kw Open Vent boiler. The original boiler worked fine, apart from the pilot blowing out on occasions and spare parts becomming almost impossible to get. However, the church was always warm, even during...