557 Salmon Brook Street Granby CT 06035 
Mail to PO Box 677 Granby CT 06035 
Ph (860) 844-0004  fax (860) 653-9871

email [email protected]
Cleaning your Campbell filter
Remembering to clean your filter is an easy way to keep your system running at maximum performance. 
Campbell filters are easy to clean. You can tell if it's dirty just by looking at it.
Option one: 
Simply open the valve to flush the filter.
Filter body
Option two:

1. Turn the water off at the backflow device 
    using the valve pictured.

2. open the vavlve on the filter to relieve the 
    water pressure.
3. Unscrew the filter body (shown above)
4. Gently remove and scrub the filter element
5. Replace all parts, close valve and turn water on.

Be careful not to misplace or damage the rubber o-ring