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Zoning

harper
harper Member Posts: 9
I want to change my current system which is fueled by oil to fueled by gas.System is a 2 pipe steam system currently one zone. If I change the burner can a steam system be multi zoned?

Comments

  • Jamie Hall
    Jamie Hall Member Posts: 15,736
    The short answer

    is yes -- but it is a little more complicated than it sounds.  It is essential, particularly, that both sides of any zone valves be dripped to a wet return (in principle you might get away with dripping only one side -- the upgradient side, whichever that is -- but I strongly recommend both sides).  Second, any zone valve which you use to zone low pressure (saturated) steam such as we use must be full port; very odd things can happen if you try to use a reduced port valve.



    If you are sure your traps are all good, it isn't really necessary to zone dry returns, and wet returns should not be zoned.



    Make sure you have adequate venting; you may need to install additional vents before any steam zone valves.



    Have you considered using TRVs on the radiators in the spaces you want to have cooler?
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • Steamhead
    Steamhead Member Posts: 14,415
    Zoning your system

    can be done no matter what fuel you burn. One does not depend on the other.



    See Jamie's post for some good ideas.
    All Steamed Up, Inc.
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • Steamhead
    Steamhead Member Posts: 14,415
    Zoning your system

    can be done no matter what fuel you burn. One does not depend on the other.



    See Jamie's post for some good ideas.
    All Steamed Up, Inc.
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
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