New Combination boiler - causes issue for neighbour property?

Discussion in 'Plumbers' Talk' started by Blackjack1980, Jul 1, 2021.

  1. Blackjack1980

    Blackjack1980 New Member

    Hi, I live 2nd in a row of terrace houses with a shared mains water supply. We have just had a new combi boiler fitted to replace a very old and inefficient back boiler. The plumber used the stopcock in our cellar to turn the water off to our property only, so the work could be done and flushed the system/radiators so it all worked correctly.
    The neighbour in the first house has a stopcock which turns water off for the full row and is claiming that when the plumber put my water back on it has caused a leak in their bathroom, due to extra water pressure and x amount of damage.
    They didn’t bring it up with the plumber, or ask for liability insurance details. They don’t seem to have contacted their insurance company or had a plumber visit to check the issue, but have sorted it themselves, but blame us for the damage.
    Could our new plumbing work cause them this sort of issue with pipes/taps in their bathroom?
  2. jonathanc

    jonathanc Screwfix Select

    no - they are being daft. they cannot claim anything off you anyway as you havent caused any problem and even if you did they fixed it so they have not suffered a loss. probably just lack of maintenance on their part
  3. exbg

    exbg Active Member

    When did you previouyuoset your neighbourss?
    Seriously they are off their heads!

    If your “increasing pressure “ caused a leak, their kit must have been on poor condition.

    Assuming that you sometimes have zero water demand, there would not have been a pressure increase, anyway
  4. Blackjack1980

    Blackjack1980 New Member

    Thanks for the replies. They have since said we shouldn’t have had a combi boiler fitted as it was a shared water supply. I pointed out that they had a combo boiler themselves.
    exbg likes this.
  5. pppmacca43

    pppmacca43 Super Member

    Makes no difference at all, the supply pressure will be the same regardless. The only pipework that would have an increased pressure would be the hot pipework in your house.
    exbg likes this.
  6. jonathanc

    jonathanc Screwfix Select

    they are truely daft… you do wonder how these people get through the day….

    ignore them: what you do in your house is your business
  7. Parc

    Parc New Member

    If your neighbour gets awkward with you just tell them if the pressure in their house is that high they should have a pressure reducing valve and mini expansion vessel fitted near their stop cock to protect there house, it’s recommended practice now as the water board have to boost the pressure sometimes and most taps/ showers and flexible connectors are only able to take a 4 bar pressure.

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