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.

EDR for odd cast-iron BASEBOARD heaters?

Options
BTU
BTU Member Posts: 14
in Oil Heating
I never seen these. 12" tall, about 2 3/4" wide. No vents in the cast-iron. Possible hold over from coal-fired boiler in Ware, MA (currently served by Homart oil boiler, by Sears-Roebuck ca. 1953). Would any of yall know an EDR calculation? Is it in a Holohan book somewhere?

Comments

  • Steamhead
    Steamhead Member Posts: 16,845
    Options
    I think Burnham used to make something like that. IIRC the ratings are in the "Hydronic Rating Handbook" by Tom Byrley- I know I have a copy somewhere..............
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
    BTU
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,545
    Options
    I have never seen those. Maybe they came from Sears with the boiler. Maybe the house came out of the Sears catalog LOl

    Must be an ok boiler, 64 years same as me 53' was a good year
    BTU
  • HVACNUT
    HVACNUT Member Posts: 5,841
    Options
    Where is the air transfer? I don't see any openings.
    BTU
  • PinkTavo
    PinkTavo Member Posts: 64
    edited February 2017
    Options
    My in-laws had those in a house in Ohio. It was built in the early 60's. From what I could tell, strictly radiant. Worked nicely.
    BTU
  • BTU
    BTU Member Posts: 14
    Options
    HVACNUT, exactly my thoughts. No convective currents with these, as opposed to all other baseboard I've come across, CI and fin-tube.

    I did go ahead and use a standard 3.4 sq ft EDR per linear foot of baseboard. Still interested if anyone gets an exact figure on these.
  • Alan (California Radiant) Forbes
    Alan (California Radiant) Forbes Member Posts: 4,011
    Options
    HVACNUT said:

    Where is the air transfer? I don't see any openings.

    My thoughts as well.

    Good call Mr. Pink!
    8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour

    Two btu per sq ft for degree difference for a slab

Categories