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Adding a radiator to existing system

Discussion in 'Plumbing and Central Heating' started by MrVander, 9 Jan 2014.

  1. MrVander

    MrVander

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    I'm adding a radiator to an existing boiler system that was installed last year (Worcestor 30SI boiler).

    I'm trying to keep the amount of flux added to the system down to a minimum by flushing out most of the new pipework, but obivously when I connect the new pipe work to the old it will then be sealed.

    Do I need to flush out the system, if so with what? Just water? I have two connections on the supply and return at the lowest point in the system, so I could connect a water hose there and flush the system out with water?

    Please help, thanks.
     
  2. kbdiy

    kbdiy

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    Flushing with water will be fine. Just remember to top up with inhibitor once you have completed all the work and filled the system to check for leaks.
     
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  4. MrVander

    MrVander

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    Actually, just had a thought.

    My boiler has the optional filling loop installed making it easy to add pressure (water) to the system. On the CH exit on the boiler there is a drain cock. If I can just isolate the boiler I should be able to flush the sytem using the drain cock (if I don't isolate it the water will just flow through and out the boiler).
    Any ideas?
     
  5. MrVander

    MrVander

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    Ok thanks kbdiy, didn't see you post. :D
     
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