Upcoming Classes All courses Backflow Tester Cross-Connection Auto Control Valve Refresher August 2026 Aug 10 2026 Certification Cross-Connection Control Program Specialist 36 hours Sunnyvale, CA Written exam + hands-on Enroll 20 seats left Aug 17 2026 Specialty Automatic Control Valve 12 hours Sunnyvale, CA Written exam + hands-on Enroll 30 seats left Aug 20 2026 Refresher Backflow Tester Refresher 6 hours Sunnyvale, CA Written exam + hands-on Enroll 21 seats left No upcoming sessions for this course type.
