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2 pipe steam heat system

Mad Dog_2
Mad Dog_2 Member Posts: 7,519
in THE MAIN WALL
orifices, or little water seals type traps in the return fitting. Brommell had those. We need a manufactuer and pictures. You are proabaly way undervented as well. Mad Dog

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Comments

  • bob_60
    bob_60 Member Posts: 11


    I am working on an older restaurant/hotel built in the early 1900's. The old radiator system is still in place, steam boiler. It is a 2 pipe system with 1' supplies to each radiator and a 3/4 return to a dry return system. The problem is I get minimun heat to radiators on the
    1st floor of a 2 story bldg. There are no traps on the radiators in this system, at least none at the radiators. Each radiator in the system has hoffman vents and the dry return has one main air vent at the boiler area. I have never seen a 2 pipe system w/o traps at the radiators. Is this a design flaw or is this another type of system? The heat does better on the first floor as the day warms up, I assume because of the load reduction upstairs. any suggestions? Thanks.
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