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  1. T

    New borehole main, plumbing choice

    Hello, I'm commissioning a borehole with a 32mm MDPE feed into an old house. This will connect to a 200 litre pressure vessel, single stage filter and UV treatment before connecting into the existing cold plumbing. The existing is 15mm copper and old and will be replaced soon, but not now. The...
  2. M

    Replacing water main

    Hi, Just moved into a new bungalow and the water pressure and flow is dire! Got an old iron pipe feeding the house, took a bit apart and there is so much rust the bore is less than a drinking straw. Ive now got the crap job of running a new main in though my front garden, my question is how...
    • MOSSEP
    • Thread
    • main replacing water
    • Replies: 14
    • Forum: Bathroom Advice
  3. C

    help with a main combi 30he

    Went a main combi 30he that was locked out on flame failure. When I reset it it lights but doesn't rectify so them drops the flame. So I messed about with the leads etc and when I disconnected the the rectification lead from the top of the condense trap it then fired up and rectifies? Anyone...
  4. L

    Main Multipoint FF position?

    Hi, just wondering, is it ok for a Main water heater to be sighted over a bath?
  5. S

    Main Combi 30 HE boiler with noisy DHW pipes

    Hi All, after some advise please. I have a Main Combi 30 HE boiler. its been in working fine for about two years. then two days ago i have started having pipe banging /chatter when demanding hot water. I'm trying to figure out where the noise is coming from. but as the house is decorated i need...
    • stuart_rambo
    • Thread
    • boiler combi main noisy pipes
    • Replies: 12
    • Forum: Boiler Advice Forum
  6. T

    Main pressures for unvented cylinders

    I've got a job to price for an unvented hot water cylinder, I have taken water pressures as follows Standing 4bar Dynamic 0.5-0.8 flow rate of 22ltr/m The incoming main is 25mm mdpe. I know most manufacturers recommend a dynamic pressure of 1.5 bar, what do you guys think? Thanks
  7. M

    Main 30HE - Heat leaking to CH when running DHW

    I have a Main 30HE with the problem that when you run the DHW, the CH flow pipe gets hot. Not all the heat is passing down there as the DHW does get hot, but this is going to cause some efficiency problems as radiators are getting hot if you run a tap for long enough, and it is probably going to...
    • MartyP
    • Thread
    • heat leaking main running
    • Replies: 4
    • Forum: UK Plumbers Forums
  8. R

    Intergas week 3 poem poll - main event

    Ok, so lots of people kindly participated in the great Intergas Poetry competition. See this thread for details. There are two prizes - the main prize of an Intergas Eco RF boiler is limited to the members eligible as described in the OP of the thread linked to above. The mystery prize is open...

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