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  1. Matt0167

    Main Water heater problem

    Hi Guys Need some help of you more experianced guys if anyone could help Main weater heater 52-476-40 lighting on to main burn once you light the pilot, as soon as you've energised the pilot and release the pilot button main burner comes on even though there is no open tap, faulty gas valve...
  2. N

    Need help about a parallel pipe with the main pipe

    Need some help to understand an additional pipe and its reason which comes out from the main pipe and then joins back in to the same pipe but with a service valve in between . I am looking for a good place to connect the water softener in my main pipe. I would like to keep the drinking water...
  3. M

    Main 15he secondary hex leaking

    Hi chaps. I have been to the above boiler where there is water running down the side of the combustion chamber. Where the secondary hex is on the opposite side. The connection where it is leaking looks like aluminium foil? Anyone got any experience of these and can advice. Please see the image...
  4. D

    Baxi Main eco 30 combi Heat exchanger screws burred

    Help! Above boiler needs H/E cleaning or replacing but looks like some one tried before and they have completely burred the inside of the screw. The screw looks like it has an 8m external socket head but less than 1mm protrudes so can not get a socket on. Any one with any idea how to get these...
  5. P

    Distance from main supply pipe or bolier most importnat for balancing

    Im going to balance my radiators because some are struggling, but I would like to understand the calc better. I have a central 22m supply and return pipe running from far left of house to far right of house through first floor joists, Boiler is at far left, pump is near boiler on supply pipe. I...
  6. M

    Working out the weight of lead main

    Hi, can someone tell me how we worked out the weight of lead per foot by using a piece of string and wrapping it around it? I cannot see it on the search bar any where. Cheers
  7. T

    Main mersey super multipoint burners staying lit

    Any ideas please on why burners are staying lit when hot taps closed? Recently had thermocouple replaced.
  8. U

    Advice on fitting a stopcock to lead rising main

    Hi all, I've realised that our 2nd floor flat doesn't have a stopcock where the rising main comes into the flat or it is under a floor or something. We have gate valves or stop cocks in front of kitchen sink and cold water cistern for bathroom for servicing, however all of them are either...
  9. H

    How should I connect to a 4 inch cast iron water main

    Hi I want to replace some old iron water main pipe and broken stopcock ideally with a larger bore pipe eg 28mm. In digging into the basement floor i found that the rougly 1 inch iron pipe comes off a 4 inch? Cast iron pipe. Not sure i dare try to unscrew the end cap. Should i just cut the iron...
  10. phil hair

    leaking HX manifold main 24 he

    hi, i have a main 24 he with a heat X manifold that has had small leak on it for a while, the inside of the box was all furred up. ive cleaned it up and replaced the manifold, but for the life of me, i can not get it to seal. What can i use to make it seal? something like plumbers mait? would...
  11. RoryD

    Main Eco combi 30 DHW Problems

    CH works ok. When there's a demand for DHW the boiler fires, modulates and then stops. The process then continues in this fashion ad nauseum. The flow pipe from the Heat exchanger doesn't get hot, the pump continually "surges" on/off and gets very hot. When the preheat kicks in the pump...
  12. Inverness

    Main pressure water sizing

    if I have a prv already on my water main supply as it's great pressure. Would there be much difference if I installed a 32mm alkathene pipe compared to 25mm alkathene pipe?
  13. Inverness

    New water main insulation

    Hi folks, just bought a old cottage and found out there is high level of hydrocarbon which from previous years has seeped its way through the alkethene. So I am re routing the a new alkathene barrier pipe into another part of the cottage but I have a problem a bout a foot away from building...
  14. C

    Combi boiler: Main 30W or Potterton 28 Gold Boiler?

    Hello Members, I'd like some advice on which boiler to select between Main 30Kw and Potterton 28 Gold boiler. This is for a 2 bed 2 bath flat. Currently have an old worcester boiler that needs to be replaced. Its a rented property. Price for Main 30 Combi incl standard Flu and clock £700...
  15. S

    Really loud humming sound from "main Boiler"

    Happens about 20 mins after heating is turned on. attached is a video of it happening.
  16. J

    Tips for Main water heater service

    Hi all, I'm due to service my first Main water heater next week. I haven't taken one apart before, so I'm a bit apprehensive. The boiler is two years old, but the flame picture has a yellow tinge, so a good clean is in order. Most of it is straightforward enough - until it comes to the funny...
  17. D

    old gas main advice homeowner

    Hi guys can you take a look at this for me. I have an old gas main under my stairs which i assume is redundant. As i have a gas main that is feeding the property in my front room. I want to cut the old redundant pipe off flush with the floor but am not sure if its still live and just capped...
  18. A

    Combi Not Working - Main Combi 30 HE

    My boiler stopped working yesterday. After leaving it off for a while it worked all evening and this morning. Since then though it has stopped working again. I left it off for about an hour and as the house is now getting cold I just powered it up again. It came on for about 5 minutes and...
  19. V

    Main Combi HE needing high flow rate to trigger DHW

    Hi everyone - not been on here in ages, but know someone will have some sound advice :-) My Mother has just had her Main Combi 30 HE serviced by her regular guy - Expansion vessel needed recharging and all seem well but after he left I found there was no hot water unless the taps were turned...
  20. W

    power of a burst main.

    Still causing traffic chaos, down the road from me.. Burst Derby water main 'sounded like a bomb' - BBC News

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