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Infared image of cast iron radiator
boobird
Member Posts: 49
I've attached a photo of my cast iron radiator. The supply comes in thru the top right corner. The return exits on the bottom right corner. (Supply/return pipes are both on the right side).
Does this image worry you? Could there be excess sludge?
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Comments
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Yes, something doesn't look right.
Is that picture from when you first turn it on or after awhile?
That blue rectangle just to the left of center is suspect.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 slab0 -
how lo g of a run time?Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream0 -
Looks like there's a porcelain humidifier hanging on it.Steve Minnich0
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Very observant.Steve Minnich said:Looks like there's a porcelain humidifier hanging on it.
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 slab0 -
YesRetired and loving it.0
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They are reservoirs filled with water that can be hung from cast iron radiators that act as humidifiers. Some of them were very decorative while others were just tin cans basically.
The outline of blue in that radiator image is so squared off and definitive that it looks like it could be one.Steve Minnich0 -
Thermal images require a bit of interpretation, starting with some perspective. Is this a circulating hot water system or a steam system...or at the end? Was the boiler actively running at the time? Was this image taken immediately at the start of the heating cycle or did it have some time to run? The 38° differential between high and low temperature in the image suggests the system water was heated to some extent before it began circulating (if it's a hot water system). Again, the one image alone doesn't tell us much. You'd need a couple more determine system behavior.Contact John "JohnNY" Cataneo, NYC Master Plumber, Lic 1784
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