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Hello knowledgeable folks! We have a re-occuring issue with one of the radiators on our system. The rad in question is at the top of the house (rads on three levels) and is a towel rail. There is another rad on the same level, which we do not experience any issues with at all. We repeatedly...

Hello Folks, I will shortly be embarking on a full replacement of DHW/DCH system replacing an inadequate combi with a system boiler and unvented cylinder (all of which will be located in integral garage) I am looking for inspiration for the controls (which will be located in the house) and...

Hello folks, Got a few installers coming round over next few days and I want to make sure I know what I'm talking about! Looking to get a vaillant ecotec plus 637 system boiler with a vaillant unistor 310 cylinder installed. I want to use the vrc470f thermostat/programmer as the system...

Hi Folks, Moved into a large 1930's 4-bed semi last year and have inherited a Ferroli Optimax HE 31C. Boiler supplies DHW & DCH to 10 rads and 2 towel rails. We are having some problems with the boiler at the minute. Pressure when system cold is 1bar. However when DCH has been on for a few...

Hi Folks, I currently have a Potterton Puma 80 which has made it to the grand old age of 19 and is still going strong (touch wood) even if it is somewhat on the noisy and most likely highly inefficent side! Anway - it currently has an external electronic timeswitch for the central heating...