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2 pipe gravity return question

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Heat65
Heat65 Member Posts: 10
Could someone tell me about this Webster boiler return trap, never saw one before so I placed my hands in my pockets and backed away.
EdTheHeaterMan

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  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 8,153
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    I believe that is a vapor system ore even a vacuum system. Never came across one but others have on this forum. Look at this post from several years ago:
    https://forum.heatinghelp.com/discussion/comment/1506713#Comment_1506713

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

  • Heat65
    Heat65 Member Posts: 10
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    Thanks Ed, if I’m reading the piping diagram correctly the relation to my boiler water line is way off, pictures below.
  • Steamhead
    Steamhead Member Posts: 16,932
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    That's a Webster "Type R" Vapor system, assuming the radiator fittings and air trap are also Webster. The Return Trap is covered in chapter 15 of "The Lost Art of Steam Heating", which you can get from the Store on this site.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting