Illinois Society of Architects · Chicago · leaf 585
Grace fuo»y Main up { m\o6rape return main down v in 10Install packless, valves onreturn 31pe of rap1ator5.Cover boiler mains, branches, ani?risers nith a5bestocell coveringFlue lining to be set in cementchifaney must be 5m0ae tight.Connect rapiators top anp bottomopposite enps … Gravity hot water heating systems may bedivided into two general heads, viz.: Shortcircuit systems and non-short circuit sys-tems. These may be subdivided into up feed,feed, down feed. etc. In the short circuit system tlie flow andreturn mains run parallel, grade up awayfrom the boiler and are of…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
