Neal Lewis Posted April 6, 2014 Report Share Posted April 6, 2014 This dry return piping for a steam boiler in a 1920's house is located in an unheated basement space. Why the heck would someone pipe it in this zigzag pattern? Was the intent to give off some of the heat to the room. Any ideas? Click to Enlarge 40.83 KB Quote Link to comment Share on other sites More sharing options...
kurt Posted April 6, 2014 Report Share Posted April 6, 2014 Could be for heat or (this is a WAG) a goofball attempt at balancing return lengths. I have seen various scrambled pipe configurations, but not like that. Pretty weird. How'd everything work? Quote Link to comment Share on other sites More sharing options...
Bill Kibbel Posted April 6, 2014 Report Share Posted April 6, 2014 That piping configuration was called "flat coil", "wall coil" and "box coil". It is specifically installed as a radiation surface. It's either to heat the space or may have been added to further reduce the temp of the return as there may have been some remaining steam that had not condensed. Quote Link to comment Share on other sites More sharing options...
Neal Lewis Posted April 6, 2014 Author Report Share Posted April 6, 2014 Thanks, that seems to make sense in this house. The system was operating OK. Quote Link to comment Share on other sites More sharing options...
Rob Amaral Posted April 7, 2014 Report Share Posted April 7, 2014 I'm guessing it was to cause more condensation 'to be sure.. ' for some reason... Quote Link to comment Share on other sites More sharing options...
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