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  • Plumbing: Pressure vessels.
  • Stoner
    Free Member

    What pressure should the air jacket of a pressure vessel be set at? The same as the boiler blow off threshold or higher or lower?

    mollyiom
    Free Member

    normally 0.5to 1 bar on a standard house, be sure to test pressure with the heating not under pressure, IE pressure relief valve opened.

    £45.00 paypal gift will be fine thanks. 😆

    saladdodger
    Free Member

    set the pressure at 1 bar but it must be done when the system is depressurized

    Less than the blow off pressure btw

    But still I am a electrician so wtf do I know 😉

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    Stoner
    Free Member

    Cheers lads. Payment in kind ok? 🙂

    paulosoxo
    Free Member

    Unless it’s on the unvented hot water side of course…………………

    Stoner
    Free Member

    cheers for the help guys.

    With a car tyre foot pump I found that the plumber had installed a 3 bar pre-charged vessel on the system that should have been no more than 1.5 bar to prevent litres of hot water being dumped every night!

    Recharged correctly last night and pressure now being handled correctly! Nice one!

    this fella:

    connected to this chappie:

    About 1,000 litres all in 😉

    To be fair to the guys it’s not a standard job and everyone’s been learning as we go along so It’s a pretty easy mistake to make as 1.5 bar blow-off valves arent that common as I understand.

Viewing 6 posts - 1 through 6 (of 6 total)

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