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Hi, just wondering if any one could help with a question I have. We are part way through our extension project, underfloor heating pipe work to go down this weekend. Originally was going to have dpm, 100mm of subfloor concrete slab, 25mm blinding sand, more dpm, 100mm celotex board, then...

When did Vaillant change the look of Ecotec range, I thought it was 2012ish? Just serviced a 637 according to the boiler info the customer had it was fitted 2007. They have just moved in so have inherited the boiler and paperwork. It's the first one I've seen, was quite impressed, the pipe work...

Hi Everyone, Just been to see a Kingfisher MF that ends up faulting to lock out 2/3 times a day, unfortunately it was behaving when I got there. I just ran the "s plan" on hot water only and restricted the gate valve on the cylinder to slow the flow down thinking I could mimic a circulation...