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sentinel x 400

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Danscrew
Danscrew Member Posts: 130
in THE MAIN WALL
Going to do my first heat x changer cleaning on my WM97 mod con. I know its hard to tell the heat exchangers condition before I open it up. Would You think it will be necessary to use Sentinel x 400? What else can I use in its place For cleaning ?

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  • SWEI
    SWEI Member Posts: 7,342
    Rhomar Hydro-Solv should work. Fernox also has options, though I'm less familiar with those.
  • Jean-David Beyer
    Jean-David Beyer Member Posts: 2,666
    Does the installation manual have an answer? My W-M boiler with aluminum heat exchanger requires Sentenel X-100. The stainless firetube ones my require something else. The installation manual should say. Or their tech rep should know.

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