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Sentinel x100 and sealed heating systems

Discussion in 'Plumbing and Central Heating' started by greenc, 1 Oct 2009.

  1. greenc

    greenc

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    Got a sealed heating system and i've attempted to inject some sentinel x100 into the top of a rad exactly how i was told by the merchant and the instructions on the tube and yes its ended up everywhere but in the radiator, surely there's a better method than this ? There are no towel radiators either in the system
     
  2. kevplumb

    kevplumb

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    1 close both valves

    2 open bleed screw to release pressure

    3 screw cartridge into rad

    4 open 1 valve pump into system

    5 close valve

    release pressure on the gun slowly

    6 remove gun replace screw

    7 open valves again

    shouldnt lose much or make a mess :idea:

    if you want to be double sure reduce system pressure before you start to app 1/4 bar

    and repressurise afterwards ;)
     
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  4. petit_pablo

    petit_pablo

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    If you had got the fernox inhibitor tube for skelton gun then it comes with an attachment for filling loops. Much easier and less messy
     
  5. David937

    David937

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    I have found that it helps to release some pressure from the system before injecting the chemical, when I didn't release pressure it splattered everywhere when I removed it from the bleed point.
     
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