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Heating Contractor

BillBBillB Posts: 4Member
One pipe steam



I just finished repairing a one pipe steam system installed in a 5600 sq.ft. cottage with 12' ceilings. The system was installed around 1910. The two largest supply runs had the usual air vents at the end of the run. Two of the secondary supply runs had no main air vents and relied on the radiator vents to release the air. However,the last radiator on each of these runs had a return pipe from the radiator down to the return system. There were no traps and it was original piping. I did not see any reason for this, nor have I ever seen it before. Any comments on this?
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Comments

  • Paul48Paul48 Posts: 2,194Member ✭✭✭
    Orifice

    For them to work, they would have had to have had orifices. Did the system work well?
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  • SteamheadSteamhead Posts: 8,897Member ✭✭✭
    Were those radiators

    larger than the others? If so, they might have installed return lines so all that condensate wouldn't have to drain back to the steam main.
    All Steamed Up, Inc.
    "Reducing our country's energy consumption, one system at a time"
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Baltimore, MD (USA) and consulting anywhere.
    · ·
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