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  1. #1
    Join Date
    Dec 2007
    Posts
    52

    pressed steel radiators?

    attached is a picture of my radiators.

    they are magnetic.

    i painted them black.

    anybody know what kind they are? looks like some kind of pressed steel to me (notice the rivets).

    how do i estimate the BTUs emitted by each section???

    thanks,
    kodo
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  2. #2
    Join Date
    Jul 2004
    Location
    Massachusetts
    Posts
    6,829
    Quote Originally Posted by kodo View Post
    attached is a picture of my radiators.

    they are magnetic.
    That means they have iron content.

    i painted them black.
    Flat black is the worst color for radiating heat. White or silver is best and a gloss is better than a flat color.

    anybody know what kind they are? looks like some kind of pressed steel to me (notice the rivets).
    Can't see the rivets in the picture and no, I have no clue as to who made them.

    how do i estimate the BTUs emitted by each section???
    Why do you care? If the house heats evenly and the rad's not leaking, why mess with it? On the other hand, if you're going to replace it, put the room or rooms to receive new heat on a separate zone and just do a Manual 'J' calculation to determine the needs of each room. Install heating elements to match and you're done.

    thanks,
    kodo[/QUOTE]
    If YOU want change, YOU have to first change.

    If you are waiting for the 'other guy' to change first, just remember, you're the 'other guy's' other guy. To continue to expect real change when you keep acting the same way as always, is folly. Won't happen. Real change will only happen when a majority of the people change the way they vote!

  3. #3
    Join Date
    Dec 2007
    Posts
    52
    i want to know their BTUs.

    if i have an over-abundance of radiator btus than i don't need 180* water. i might be able to keep the whole system at 150* in which case an outdoor reset won't do anything for me, right?

    kodo

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