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  1. #1
    Join Date
    Jun 2008
    Location
    Southeast Michigan
    Posts
    54

    What to ask about water pH?

    For mod-con boilers, what type of info should I get from a contractor about my water and compatibility with the heat exchanger?

    There seems (from what I've read here) that some water types are better for aluminum heat exchangers and other types for stainless steel: Is this correct? It's confusing to me because wouldn't acidic or basic water attack each heat exchanger in a similar way?

  2. #2
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,603
    No , acid, and alkaline water has different effects on SS and aluminum.

    You want your PH to be neutral.
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  3. #3
    Join Date
    Jun 2008
    Location
    Southeast Michigan
    Posts
    54
    So the installer will do whatever it is to make the water in the system pH neutral?

    or if my city water is crappy, am I SOL?

  4. #4
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,603
    Depends on your contractor.

    Thats why we stay, forget about the brand, the installer/contractor is more important.
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