Flush all lines before and after
installing heads
1. Before installing any heads, flush lines
to remove all dirt and sand
2. After all heads are installed, run the last Digital
Sprinkler(s) on the end of all pipe runs at maximum throw for
several minutes to remove all air from the system.
3. Run all Valve zones to remove all air from the system
Trapped / deadhead air anywhere in the system acts as an
“air piston”, causing calibration errors
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