✅ SOLVED Copper fitting with hole through it...what is it?

jsandin

Full Member
Nov 26, 2008
231
92
Detector(s) used
Tesoro Silver uMax
Primary Interest:
Relic Hunting
Found at a demolished house site in Eastern KS.

IMG_6329.JPG
 

manual air vent for bleeding air out of heating pipes
 

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One end looks like a 1/4 pipe thread and the other end looks like a tubing connector. Could be some kinda vent/bleeder?
 

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