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sizing indirect for new steam boiler

bob youngbob young Posts: 2,174Member ✭✭✭
REPLACEMENT STEAM BOILER .ea too confined for independant water heaters. not familiar with sizing method to provide indirect domestic tank , etc. 14 families. need formula for additional btu load to add to steam boiler. thanx, bob nyc


  • kcoppkcopp Posts: 1,847Member ✭✭✭
    No need to add....

    anything. No different that adding an indirect to a hot water boiler. No room for a tankless water heater?
  • SnowmeltSnowmelt Posts: 708Member ✭✭
    Taco hvav

    John Barba has a nice webinar on how to size


    Tankless & in NYC see me.
  • Dan HolohanDan Holohan Posts: 11,944Moderator mod

    Consider takng a Find a Contractor ad.
    Site Administrator

    Hug your kids.
  • icesailoricesailor Posts: 7,265Member ✭✭✭✭
    Sizing DHY loads:

    Kind of an exercise in futility?

    Size the DHW load by the way it is supposed to be added to a boiler, then picking boiler for a 30,000 BTU load at design temperature. When the DHW load calculates to over 100,000?

    Its a "Phantom Load". Just put in a bigger indirect.

    SNARK Off.
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