Slide the PEX clamp ring over the
tubing.
Fully insert the PEX fitting into
the PEX tubing until the fitting’s
shoulder touches the tubing.
Pull the handles of the tool to
the opposite sides.
Pull down the right handle and
then the jaw will open.
Make sure the jaw of the tool is
centered over the clamp ring.
Press both handles of the tool
together completely.
Checking the Connection with Go / No-Go Gauge
Check if the connection is made properly by referring the image
showed below.