1) Use a regular screwdriver to close the test ports (C). After closing the test ports the screws will be perpendicular to the pipe.
2) Make sure that the #1 and #2 valves (D) are open or in the parallel position.
3) Go inside house and locate drain valve (B). Make sure it is closed (perpendicular to pipe).
4) Slowly open the shut valve (A) to the parallel position
5) CM’s can now come out for a complete walkthrough for your sprinkler system.

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