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]
Backflow valves
See below for examples of the "open" and "closed" valve positions. Valves are open when they are parallel to the pipe they are on, and closed when they are perpendicular to the pipe. 
Open
Open
Closed
Closed