Sure off testing 25mm

Installation Manual  

Sure-Off Tester is a pressure measuring device
used to determine if the appropriate system has been drained
prior to beginning work. The Sure-Off Tester has a pressure
rating of 300 psi (20,7 bar), and is available for attachment to
1”, 1-1/4”~1-1/2”, and 2” steel pipe.
The Sure-Off Tester includes the drill bit, water pressure gauge,
and a drain port for attachment of a garden hose to release
water from the test piping (hose not included).