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    Inexpensive boiler buffer tank (12 Posts)

  • shoudabeenaplumba shoudabeenaplumba @ 8:10 PM
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    Inexpensive boiler buffer tank

    I'm looking for a 30-50 gallon buffer tank with large tappings.  I just don't have $1200.  Something with a coil for owb would be great too.  Any suggestions, or am I doomed to buck up the big bucks?
    Yes, yes I am cheap.
  • bill bill @ 9:21 PM
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    The buffer craze!

    The cheapest way is go get a keg of beer. Now, drink all off the beer, eat the deposit, and go to a qualified welder.
  • Rich Rich @ 7:25 AM
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    Kegs

    are too small for this
    You didn't get what you didn't pay for and it will never be what you thought it would
  • nicholas bonham-carter nicholas bonham-carter @ 11:05 PM
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    cheap tank

    if you have a tractor supply near you, they will have well tanks-made of galvanized, and good for 100 psi. i think i saw a 70 gal tank for a C-note.
    made by quick tanks
    [url=http://www.quicktanks.com/hydropneumatic.html]http://www.quicktanks.com/hydropneumatic.html
    --nbc
  • scott markle scott markle @ 10:37 AM
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    boiler buddy

    Google boiler buddy,

    You can buy directly from them, I think they are in Wisconsin. The 30 gallon tank is insulated has giant tappings, and a nice air eliminator on the top and drain at the bottom.

    As I recall it's around $600.
  • shoudabeenaplumba shoudabeenaplumba @ 10:43 AM
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    Shipping is a killer

    I think shipping would have put me close to a grand.
  • scott markle scott markle @ 8:31 AM
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    not so bad

    The 30 gallon model is UPS able. I think it was Around $40 bucks to NY
  • hot rod hot rod @ 3:45 PM
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    the best bang for

    you buffer bucks is a electric water heater. They come in many sizes and are insulated nicely. They are challanged in the connection department however.

    One solution is to remove the two elements and use those for 1" connections. You can buy a 1" male by 1-1/4 sweat adapter and get to 1-1/4" easily in those connections.

    The drain port with a reducing tee can be another 1" connection.

    You can then pair together the two top (h&C) connection for another large tap. Remember to remove the dip tube.

    Some brands have dual anode rods with 3/4 taps. i suppose in a close loop system the anodes could be removed, it may void any warranty.

    Leave the factory T&P and add an additional 30 l b relier for hydronic applications.

    Plenty of plain steel tanks for cheap, like compression tanks, under 200 bucks. But by the time you insulate and jacket and weld in additional taps, may as well buy a Boiler Buddy.

    hr
  • Gordan Gordan @ 7:49 PM
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    Thread mismatch

    hr,

    Isn't the heater element thread NPS rather than NPT? Any tricks for using these ports without creating a potential source of leaks?
  • Mark Eatherton Mark Eatherton @ 8:04 PM
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    Straight threads never stopped us before!!!

    Most products from across the pond come with straight thread. One can either triple dope (paste, 5 to 7 wraps of teflon tape, followed by final coating of teflon) or....

    The alternative would be one of the thread wrap strings on the market, and if you can find it, hemp.

    The ground source heat pump people do this every day, with little to no problems.

    ME
    It's not so much a case of "You got what you paid for", as it is a matter of "You DIDN'T get what you DIDN'T pay for, and you're NOT going to get what you thought you were in the way of comfort". Borrowed from Heatboy.
  • Rob Blair Rob Blair @ 8:53 AM
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    What about higher temperatures in the glass lined tanks?

    I thought I read somewhere that the glass lined tanks cannot take over 160 degree water?
    Thanks,

    Rob
  • BigRob BigRob @ 4:58 AM
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    Update?

    Now that a couple of years have gone by, what is the consensus regarding the best electric water heater to use as a buffer? I have some small radiator loops that need some extra water.

    Is there a jacketed value leader?

    -Rob
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