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Step down gas pipe

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Teejay1969
Teejay1969 Member Posts: 3
edited September 2021 in THE MAIN WALL
We have had an lpg tank fitted with the connection point on the wall, and we need to fit a new lpg heater to it. Do we need a regulator or can we just step down the pipe size with connectors?

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  • Jamie Hall
    Jamie Hall Member Posts: 23,324
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    If there's no regulator on the tank, you need one... usually your gas supplier won't even supply gas to a fixed tank without checking the installation themselves -- and they'll usually do it as well for you.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • Teejay1969
    Teejay1969 Member Posts: 3
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    Thank you. There is of course a regulator on the tank. We are waiting for a Warma grant to install a boiler and radiators, but in the meantime need some heat! We have done our own installs in various vehicles and caravans, just never from a big tank, always from bottles.
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,544
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    @Teejay1969

    Normally with LP with a fixed tank there is a regulator on the tank and another regulator on the outside of the building where the LP pipe enters the house.

    Bottom line is an LP appliance needs about 12" of wc gas pressure on the outlet side of the regulator on the outside of the house and the appliances need to be set up for LP
    Teejay1969
  • Teejay1969
    Teejay1969 Member Posts: 3
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    Thank you @EBEBRATT-Ed, that's great. It's a static caravan so all appliances are lp, and yes there is also a regulator on the end of the pipe to the outside wall. Cheers 😊

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