Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

National boiler info

skmillersr
skmillersr Member Posts: 2
in Radiant Heating
I am replacing a No 1 Series Heat Extractor, oil-fired boiler made by National Radiator Company. It doesn't have BTU input or output ratings, only "sq. ft. water" ratings. Do these convert into BTU/hr?

Comments

  • Danny Scully
    Danny Scully Member Posts: 1,452
    edited December 2018
    None of that matters. You need to do a proper heat loss (if it’s hot water) or an edr survey (if it’s steam).
  • skmillersr
    skmillersr Member Posts: 2
    Thanks
  • Steamhead
    Steamhead Member Posts: 17,616
    Many if not all of those Heat Extractors had asbestos insulation. You'll need a proper asbestos contractor to deal with this.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 17,212
    Water is 150 btu/square foot, steam is 240btu/square foot

Categories