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heat exchanger

Paul SPaul S Posts: 1,257Member
edited July 2016 in THE MAIN WALL
oil to gas conversion coming up, existing system is an oil fired steam boiler with a tankless coil. I would like to use an indirect with a brazed plated heat exchanger. I have done these multiple times before but a few times before I had a call back due too the brazed plated heat exchanger clogging up on the boiler side. should i pipe a Dirtmag before the heat exchanger....would you guys use a storage tank with a tankless coil instead?? or another type of heat exchanger. Everhot? I cant seem to find a distributor for them. i want to provide the most reliable system i can....thanks
ASM Mechanical Company
Located in Staten Island NY
Servicing all 5 boroughs of NYC.
347-692-4777
[email protected]
ASMHVACNYC.COM
https://heatinghelp.com/find-a-contractor/detail/asm-mechanical-company

Comments

  • kcoppkcopp Posts: 3,046Member
    I would not do the BP HX for the reasons you mentioned... and the added cost.
    I would get a good quality coil type Indirect and pump through that. Passages are wide open.
    It will have to be a version that is Non Ferrous....
    Superstor Ultra or Superstor Pro are two options.
  • Paul SPaul S Posts: 1,257Member
    edited July 2016
    would a stainless steel indirect be ok like the crown megastor?...I know the htp superstor has a cupronickel heat exch...should i use a dirtmag before the pump?
    ASM Mechanical Company
    Located in Staten Island NY
    Servicing all 5 boroughs of NYC.
    347-692-4777
    [email protected]
    ASMHVACNYC.COM
    https://heatinghelp.com/find-a-contractor/detail/asm-mechanical-company
  • kcoppkcopp Posts: 3,046Member
    A Megastor would be great.
    As to the dirt mag... That is going to need a lot of maintenance.
    I think you would be better off spending the money on a 3 pc. circulator like a Taco series 110 or a B&G series 100. They can handle the harsh environment of all that muddy water.
    Some would even suggest a bronze version of those but that is huge $$.
  • HatterasguyHatterasguy Posts: 6,058Member
    Consider a direct fired water heater, rather than the steam boiler, for DHW for the following reasons:

    1) Energy loss is minimal for six months as compared to steam boiler with huge losses.
    2) No requirement for an additional..........expensive...........pump.
    3) No requirement for costly indirect.
    4) Minimal maintenance without concern about boiler water chemistry.
    5) No brazed plate HX
    6) No dirtmag

    The steam boiler just doesn't make a good candidate for DHW, especially when it normally sits idle for six months.
  • EzzyTEzzyT Posts: 694Member
    Paul Sid Harveys is the Everhot heat exchanger distributor
  • Paul SPaul S Posts: 1,257Member
    thank you @EzzyT .....i will call them
    ASM Mechanical Company
    Located in Staten Island NY
    Servicing all 5 boroughs of NYC.
    347-692-4777
    [email protected]
    ASMHVACNYC.COM
    https://heatinghelp.com/find-a-contractor/detail/asm-mechanical-company
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