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what is the control on top

D lux_2
D lux_2 Member Posts: 230
thanks

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  • Steamhead
    Steamhead Member Posts: 17,622
    It's a flow-check

    to keep water from entering the radiators by gravity when the circulator is off. These are used on multiple-zone systems or on boilers having tankless coils.

    I'd check the radiation against the building's heat-loss to see if it would run in condensing range enough to make a Munchkin worthwhile.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • D lux_2
    D lux_2 Member Posts: 230
    thanks steamhead

    all be doing H L tonight after smors and fire out side fall coming
  • Wayco Wayne_2
    Wayco Wayne_2 Member Posts: 2,479
    Smores sounds great

    Fall's defineitely coming. Sometimes Condensing boilers are useful if the heat emmitters are large oversized cast iron radiators that were installed with a gravity system. I've had some systems that can go as low as 140 degrees @ 10 degrees outside temps because of that particular situation. That leaves lots of room on the outdoor re-set for condensing temps for the boiler. Hey Steamhead! anything come of that referal I sent your way in Balmore? WW

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  • Steamhead
    Steamhead Member Posts: 17,622
    Yes it did

    I've been meaning to thank you so now is as good a time as any. I looked at the system and determined it needed some work. Owner will have the asbestos removed then call us to get his system going the way it should be.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • Wayco Wayne_2
    Wayco Wayne_2 Member Posts: 2,479
    Good show

    Thanks for taking a look. It's good to have someone good at his craft to refer to folks. WW

    To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Professional"
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