Illinois Society of Architects · Chicago · leaf 558
size of mainat the point of leaving boiler. All horizontal branches more than 16 feetin length shall be properly dripped. Supply mains shall not be reduced morethan one-half the diameter of the largestmain. Dry returns shall be not less than one-halfthe diameter of the supply. Wet returns may be… … lific Down Draft Imolcclcss Boiler I FIFZ: SIZES FOR UF-FEED RISERS 1 1%2 2% Of/ 30 square feet or under. 30 to 60 square feet tfO to 100 square feet 100 to 200 square feet 200 to 350 square feet 350 to 900 square feet 900 to 1,200 square feet4 1,200 to 2,OOOsquare feet RADIATOR CONNECTIONS Up to…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
