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  1. J

    Main 24HE combi boiler - leak / part identification

    Hi all, I'm getting a persistent leak from my combi boiler unit. It fills a 500ml container a week, so it's not 'critical' just yet. I do not intend to fix this myself. I want to save time and identify what parts I might usefully get for whoever comes and does this repair for me. Here are a...
  2. momomo345

    Main Multipoint FF water heater red light blinking

    My water heater frequently goes in protection mode a few seconds after starting a hot water upstairs which is quite annoying because I need to press on a button for 5 seconds to reset it and make it work again. I have a specialist having a look several time but the water heater is all clean and...
  3. cwhaley

    New Lighting Circuit

    In my new extension a qualified electrician will be extending the ring main of my existing downstairs circuit into my new extension. He lives nearby and to save him the work, I'll be clipping the T&E cable on the wall in runs to the various sockets (in the safe zones of course) as well as light...
  4. C

    Query CAT scan for utilities

    Hi, first post here. I'm in the process of swapping out a lead water main for MDPE and replacing Cast iron and clay drainage. I've hired a CAT and genny to try and locate the existing utilities, but I'm not sure about the results. With the genny attached, the services seem easy to detect, but...
  5. GrumpyBadger

    Boiler pressure issue

    Hi, I've got a Main combi eco 25. When CH is running a lot, the pressure reaches 3 bar and the PRV seems to kick in as I can see a slow dribble from the outside pipe. I think what happens next is when CH is off for a while, the temp drops and the pressure also drops low enough so that the...
  6. J

    Gas mains map / mini retaining wall

    Side of the house has a path, and, mini retaining wall. The wall is 20cm tall, the ground behind a gradual slope leading 6.5m uphill towards the boundary. The incline gradually increases less than 1m. The wall is 12 m long. Excuse the pic, only one I have of the wall We thought that...
  7. J

    Replacing main water pipe Anglia water. what to use. Help

    Hi Everyone. I made request to Anglia water to replace my lead pipe with a new polyethylene pipe. They sent me instruction on how the pipe should be laid but I`m struggling to source material at moment. I have attached guide for your reference. They suggest a 25mm pipe. Is this good enough...
  8. A

    New water main requires digging up neighbours garden

    Hi all. I had Bristol water over today to assess my lead replacement. Our water supply is shared with the neighbours (possibly 2 other houses) and is connected in front of their front garden (victorian terrace). Bristol water said we would only qualify for the free connection if we brought the...
  9. cwhaley

    Opinions on Main Combi boilers

    I've recently employed a new firm to service our boiler, which is a Main Combi Eco 25. The boiler has been relatively reliable to us with the only fault so far (after 3 years) being a replacement diverter valve. The boiler itself is 7 years old and we look after it (run it periodically during...
  10. StephenStephen

    Can I run a shower from my main Medway Super water heater?

    Hi all, I have a Main Medway Super gas fired water heater G.C. No: 52 476 39 Can this be used as the hot water feed for a shower, Many thanks for your replies, Stephen
  11. R

    VERY LO-NG Story - Main Combi heating System. Help needed!

    So begins my sad saga. Like most of us, I like a problem and the satisfaction of solving it and felt capable of doing so as I have had some plumbing experience (Pre Corgi) and have, in fact fitted a complete system around 20 yrs ago (Tho my mate, Bill the Plumber did the final checks) Here...
  12. JameRoseuk

    Main Combi Eco Elite & Nest Heat Link

    Hiya, I'm just getting ready for a bit of Sunday DIY but thought I would quickly check the wiring. This forum has been brilliant in getting me up to speed, but nothing wrong with a little confirmation from my peers! So... I think I've established that I can replace the Integral Timer in my...
  13. Miggi

    Main 18 HE gurgling

    Hi all. I have an issue with the above boiler upon firing up. The unit gurgles and only stays on for 5 minutes then flashes up with Air Pressure Switch failure. It does this 3 times before Locking out. I can resolve this by draining the Condensation trap for some reason which is External to...
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