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Old metal Fin type Steam radiator !?
I have a 2-pipe steam residential system. The house is old and the 2 rads in question are in a sunporch. I am wondering what kind of radiators these are and whether best to replace? They seem to be some kind of metal fin-type radiator?? All of the other rads are your "normal" cast iron type. Do these conduct steam heat well? Is there some kind of maintenance that should be done on these?