Quick EDR question

David_14

When measuring the height of a radiator in a steam system to calculate EDR, do I measure from the floor or the bottom of the sections? In an earlier post below I was pointed to a source (link below, thanks Doug) which shows that measurement should be from the floor, but that seems counterintuitive to me since the leg height on my rads varies:
http://www.colonialsupply.com/resources/radiator.htm

Just looking for confirmation. Thanks!

Al Letellier

measuring rads

From the floor. It's not exact anyway, but close enough. Unless you want to dip that sucker in a vat of paint, measure the amount of paint that came out of the vat and paint the floor with the exact amount and thickness of paint......

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