This custom made lock nut has an O-ring grove for a size 212 O-ring. It's the perfect lock nut for a watertight seal though your kettle wall.
The groove give O-ring the perfect 20% compression to guarantee a good seal and long lifespan.
The fitting completely covers the O-ring to protect it.
Customer Reviews 1 item(s)
- Great Item.
Works great using on tap and fermentor probe.