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Old Trane steam traps

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Maintman
Maintman Member Posts: 1
in THE MAIN WALL
i am looking for a replacment thermostatic steam trap.  the trap i am replacing only has Trane M 56 on the cartridge and the body style is "G:".  it is approximately 2" long and wide.  with a 7/8 pin at the bottom.  does anyone make a replacement cartridge to fit this 50+ year old part?

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  • Steamhead
    Steamhead Member Posts: 16,842
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    That looks like a B-1 trap

    on the Trane B series, the model number is cast into the side of the trap body. I can see something on the side of the body in the bottom pic, but can't make it out.



    The B series traps were made in several versions. They could have either an integral or removable seat, and an integral or removable bellows, in any combination. From your pic, your trap has an integral seat. If the bellows is removable, it will unscrew from the cap.



    Tunstall or Barnes & Jones are the two companies we know that make replacement trap parts. Both their web sites have catalogs that show which kits will fit your traps.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
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