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baseboard heating

egrosario
egrosario Member Posts: 2
in Radiant Heating
I want to install a loop of my gas steam boiler.
I can I get away with a gravity loop instead of adding a circulation pump?
Is going to be two baseboards with the run being less than 25 ft.
Eloy G. Rosario

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Comments

  • HVACNUT
    HVACNUT Member Posts: 6,925
    Piping and wiring as a separate hydro zone is the way to go.
    STEAM DOCTOR
  • egrosario
    egrosario Member Posts: 2
    Thank you HVACNUT,
    I am going to pipe a separate loop with a bypass..
    What I am trying to do is go with a passive hot water loop.
    This is typically use for domestic. I was wondering if I can use this system along with a gravity loop in place of a circulating pump.
    Eloy G. Rosario
  • Jamie Hall
    Jamie Hall Member Posts: 26,236
    Problem is... with very little elevation difference, you'll get almost no flow at all. Use a pump.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
    JUGHNE
  • JUGHNE
    JUGHNE Member Posts: 11,480
    edited June 2019
    It takes elevation differential and also temperature differential.
    I have the gravity loop on my DHW and it achieves only a small trickle flow, good for DHW but not enough to heat BB. IMO

    You could pipe is as you talked and if it does not work just add a pump later.
  • Danny Scully
    Danny Scully Member Posts: 1,462
    edited June 2019
    You could also pipe the wet returns through the baseboard and this could act as you’re detailing.
  • HVACNUT
    HVACNUT Member Posts: 6,925
    > @HVACNUT said:
    > Piping and wiring as a separate hydro zone is the way to go.

    Why exactly "off topic" ?
  • STEAM DOCTOR
    STEAM DOCTOR Member Posts: 2,414
    > @HVACNUT said:
    > > @HVACNUT said:
    > > Piping and wiring as a separate hydro zone is the way to go.
    >
    > Why exactly "off topic" ?

    Probably a fat thumb. Hate to thing off how many times I have accidentally clicked the wrong tab
    HVACNUT

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