. Boiler and radiator : Catalogue No. Intermediate SectionSteam or Water DIMENSIONS Radiators 15 Feet 20 Feet Distance between center of sections. ... inFree air space, per section. sq. in. 3M 3H61 65 Size of R. and L. Nipple in. REGULAR 2 in. Air valve. ... % in. IWhen radiators are ordered tapped smaller ththe female threads in bushings will be R. H. Breckenrid^eAutomatic Air Valves

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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjecthvac, bookyear1919