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New steam system

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ToddM
ToddM Member Posts: 13
in Strictly Steam
I have a customer with a 5 section smith/mills 20. oil fired. he wants to go natural gas. I went thru the house and measured all radiators and by using the info on this site, came up with a total of 648.86 sq.ft. of radiation. Its a big old 3 story house. What does this convert to in btus?

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  • ChrisJ
    ChrisJ Member Posts: 15,714
    edited September 2011
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    I'm not a pro but,

    648.86 * 240 = 155726 BTUs.



    Take that and add a 1.33 pickup factor and your at 207116 BTUs.  Use the DOE heating capacity rating on the boiler for this.  This would put you in the market for someting like a Burnham IN8.



    This will not be enough if the piping is oversized or uninsulated.
    Single pipe quasi-vapor system. Typical operating pressure 0.14 - 0.43 oz. EcoSteam ES-20 Advanced Control for Residential Steam boilers. Rectorseal Steamaster water treatment
  • ToddM
    ToddM Member Posts: 13
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    Thanks

    Thanks I want to see if the supply house salesman comes up with the same thing.

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