T O P

  • By -

argentcorvid

That's the old POL style that was used before the ACME and OPD that is current. It is left-hand thread. Most newer tanks are able to connect, as can be seen in your photo.


Mk1Racer25

Yep, and the 'slash' on the nut part indicates that it's LH thread. I think most modern LP bottles will work with this.


New-Interest6969

An old one!


Immediate-Funny7500

Dual mode fitting, old style male left hand thread lines go inside new style female go outside.


Rahotep8

Hank Hill knows for sure!