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Booster tank issue

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Brad White_36
Brad White_36 Member Posts: 30
in THE MAIN WALL
Exactly...

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  • jrc2905
    jrc2905 Member Posts: 98
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    Repair to booster tank system?

    If a booster tank is connected to a tankless coil that has an internal leak, what are the repair options, if the tankless cannot be removed from the boiler?
  • Brad White_36
    Brad White_36 Member Posts: 30
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    If the tankless coil cannot be removed

    then there is no repair that I can think of. You would have to abandon it in place, disconnect it and plug it. If you do not you will overfill/over-pressurize your boiler of course.

    Once that is settled you need to create a "work-around" such as an indirect tank or sidearm heater off of the main heating supply, as it's own zone or via a heat exchanger.

    If steam is what you have, that may be another issue. In that case you would pipt the indirect to a hydronic circuit below the water line and sub-steaming limit controls to run that service without heating the house uneccessarily.

    Of course you can always install a totally separate gas or oil fired heater.

    No matter which way you decide, the booster tank can at least help with storage so you do not have to waste the investment. Hook that up with a bronze shuttle pump to charge it off the primary heater.

    Good Luck.

    Brad
  • Joe Brix
    Joe Brix Member Posts: 626
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    How about

    an external HX to salvage the booster tank?
  • B. Tice
    B. Tice Member Posts: 206
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    Yes

    You could set it up Energy Kinetics or Aero style with the plate heat exchanger, therefore saving your tank, pump and piping.

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  • jrc2905
    jrc2905 Member Posts: 98
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    This is what I thought, so why do people invest in a booster tank when a indirect is available and will not depend on the tankless coil. It seems to me that installing an indirect is not that more work. Now I have to tell the customer thay are back to spending more money on their hot water system.
  • Brad White_36
    Brad White_36 Member Posts: 30
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    The reason a booster tank is used

    is strictly for storage, something to draw from when the producer (usually a tankless) is not sufficient to keep up with demand flow rates.

    When you are starting from that standpoint (a tankless or instantaneous heater of fixed through-put) adding a booster tank makes sense. But I agree if the next step is to generate DHW from another source such as your boiler, buy an indirect now. Use it as a booster until such time as you hook it up as a bona-fide indirect heater.
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