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Replacement capsules for Hoffman 17c traps

Heat65
Heat65 Member Posts: 10
in THE MAIN WALL
At at a job today to replace 14 radiator valves and capsules was sent Tunstall tfhf-1409 capsules which would not fit in the Hoffman 17c traps. According to Tunstall’s web site the correct cross referenced capsule is a tchf-1409. I tried calling and messaging Tunstall to double check but got no answer. Can anyone verify the correct replacement? Thanks!

Comments

  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 16,495
    I would call Tunstall back and get someone on the phone.
  • PEvans
    PEvans Member Posts: 137
    There are "old style" and "new style" Hoffman 17C traps. I have used Barnes & Jones 3500 cage units in old style Hoffman 17C traps and they fit fine. There is a good video on YouTube by Gordon Schweizer (All Steamed Up)
  • JUGHNE
    JUGHNE Member Posts: 11,279
    The B&J 3500's worked for me on the older tall 17C's.
    However on the newer shorter 17C's a new extension cap was needed.

    Might need new caps on the Tunstall, depending upon the height of the 17c's.

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