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Plate Heat Exchanger

Post in 'The Boiler Room - Wood Boilers and Furnaces' started by ejhills, Sep 16, 2013.

  1. ejhills

    ejhills Member

    Joined:
    Jun 26, 2008
    Messages:
    51
    Loc:
    Central Maine
    plumbing_Page_3.png I'm getting ready to add a plate heat exchanger between my Wood Boiler 40K BTU and my ancient oil boiler.

    Currently there is hot water storage and I am concerned about 2 specs.

    1) how large of an exchanger should I purchase?
    2) What are the side effects of the pressure drop across the heat exchanger?

    Thanks for the advice
    Ed
    Last edited: Sep 18, 2013

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  2. henfruit

    henfruit Minister of Fire

    Joined:
    Nov 27, 2007
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    712
    Loc:
    New Hampshire-Maine border
    What boiler did you have that will need a plate heat exchanger?
  3. ejhills

    ejhills Member

    Joined:
    Jun 26, 2008
    Messages:
    51
    Loc:
    Central Maine
    I've got a tarm solo 55mb 138,000 btu. I'm looking for a simple storage solution that will get me just a little bit ahead of the curve.

    This morning I'm revisiting CWCoils again. My tank is only good for about 170,00 BTU.
    But thats at least a solid day of heat that I can add to the house.
  4. maple1

    maple1 Minister of Fire

    Joined:
    Sep 15, 2011
    Messages:
    4,254
    Loc:
    Nova Scotia
    I see hot supply water going from the wood side to the oil side, and cold return water going from the wood side to the oil side.

    I don't think that will work.

    But maybe I'm not seeing things right, it has me kind of confused.

    Two automags?
  5. ejhills

    ejhills Member

    Joined:
    Jun 26, 2008
    Messages:
    51
    Loc:
    Central Maine
    I think the intent is charging pump and a drawing pump.
    Is the presence of a pump enough?

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