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Thread: Picking the right cast iron radiator

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    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Default Picking the right cast iron radiator

    I have chosen this style of radiator for my home and I'm trying to figure out the right one for each room.

    Does any one know how to convert the displayed numbers into a BTU output?
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    Jack of all trades frenchie's Avatar
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    Note for hot water, the above chart says "AVERAGE water temperature" - midway between supply water temp & return water temp - NOT "supply water temperature".
    Last edited by frenchie; 12-31-2009 at 10:47 AM.
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    Journeyman & Gas Fitter Doherty Plumbing's Avatar
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    Quote Originally Posted by johnfrwhipple View Post
    I have chosen this style of radiator for my home and I'm trying to figure out the right one for each room.

    Does any one know how to convert the displayed numbers into a BTU output?

    The heat loss across those rads would be entirely dependent on the system you have installed. IE the flow rates and working temps of the water.

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    Extreme DIY Homeowner Scuba_Dave's Avatar
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    One of the TV shows did a special on CI radiatiors & I picked out the ones I wanted
    Turns out the company is in the UK & does not have a distributor in the US, & no plans for one
    They were flooded with E-mails asking how to buy their product
    They had no idea they were being featured on the TV show

    I'll be buying some other ones in the US, maybe used


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    I have enough to do to my own house

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    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Default Calculating total BTU output for the radiators

    Thanks for the information guys.

    The chart is excellent - I can get a pretty good idea of the size now for each room and will leave the exact measurements for my engineer.

    Happy New Years,

    Again thanks for the help.

    John Whipple


    jfrwhipple@gmail.com - www-no-curb.com - 604 506 6792

    Always get construction advice double checked by your local city hall. Flood Test Every Shower - Every Time.

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    you can't go wrong over sizing a radiator either. the extra size means you can lower water temperatures.

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    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Default Heat loss from building a window seat over standard baseboard heat

    I have read online that just painting the radiators cause a decrease in heat output. This can be a blessing or a nightmare I'm sure.

    If I had a standard baseboard heater with the copper pipe and fins (with cover) what do you think the percentage of heat loss would be if I built a window seat above the unit to conceal it. My ballpark guess is 30% do any of you HVAC specialist think this guess is way off?


    jfrwhipple@gmail.com - www-no-curb.com - 604 506 6792

    Always get construction advice double checked by your local city hall. Flood Test Every Shower - Every Time.

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