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Base Board Venting Tees with Cap....not 1/8" FPT....Availability of New Caps??

JUGHNE
JUGHNE Member Posts: 11,274
BB's have the bleed caps with flat screwdriver slot.
The caps are screwed on the male threads that are cast into the vent tee.

They are just like caps on the stop & waste valves.

Any best guess as to what that thread is?

Would like to change all of them. Some plugged and some stuck.


Very difficult system to work on.....boiler drain plugged.....no floor drain....no isolation valves. For 2 elderly women. Installed in late 70's or so.

Thanks for the help.

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