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Injection Panel Installation Instructions
8. There is a ball valve on the bottom of the strainer filter sump. This ball valve should be
closed during operation. This ball valve and be used to flush the strainer filter sump period-
ically. This can be done by placing a bucket under the ball valve and opening the valve un-
til the sump strainer is clear. Be sure to use both hands to secure the filter sump while turn-
ing the ball valve or the sump can be broken.
OPEN
CLOSED
Installation, Operation and Maintenance Manual
385-GWU-1000, 385-GWU-1500, 385-GWU-2000