Tool features an auto-rotating head for one-handed operation, a compact right-angle design, and a quick-cam echanism that delivers precise, continuous expansion for 3/8- to 1-inch ProPEX connections. Milwaukee’s Expansion Tools are designed specifically for Uponor ProPEX tubing. Barb Fittings. Predating the new push-fit connections, a more traditional method for connecting PEX systems (not specific to Wirsbo)
To make a connection with an expansion fitting, first thread the
expansion ring over the pipe end until it meets the inner ridge.
Then insert the expansion tool into both the ring and the pipe end.
When the tool is triggered, the cam mechanism delivers
continuous expansion to the ring and the PEX tubing.