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crown maui combi

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Steve_210
Steve_210 Member Posts: 646
in THE MAIN WALL
can these be used with an indirect. the DHW demand is too high.

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  • kcopp
    kcopp Member Posts: 4,448
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    Use the Heat only....

    version w/ an indirect or a booster tank w/ a bronze/ss circulator or pipe it through a 20/40 gallon electric to give you a head start.
  • Steve_210
    Steve_210 Member Posts: 646
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    the combi is existing

    I don,t see why i can,t use an indirect 
  • kcopp
    kcopp Member Posts: 4,448
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    I suppose....

    you could. It is just a shame to not use the coil that is in the unit. I did not realize this was an existing set up.
  • CMadatMe
    CMadatMe Member Posts: 3,086
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    Storage Tank

    No need for an indirect. Dump DHW to a storage tank. Boiler is equiped with a hx for dhw.

    There was an error rendering this rich post.

  • Steve_210
    Steve_210 Member Posts: 646
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    Thanks Chris

    I did look at that, but there is an unused indirect on site so I gave them number for, primary secondary pumping, 2 new circulators with DHW priority.
  • Steve_210
    Steve_210 Member Posts: 646
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    My concern is

    Making the DHW Hx redundant . Is it safe to leave open ends, it does not seem safe to cap them. With no pressure on the domestic side could the boiler water ever Leak through the brased plate Hx .
  • Steve_210
    Steve_210 Member Posts: 646
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    I seem to remember

    Doing this with combi boilers but that was 20+ years ago and I am sure things have changed alot since then. Anyone have any recent experience? Thanks.
  • Steve_210
    Steve_210 Member Posts: 646
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    Bump

    ?
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