Store › Backflow Prevention Certification & Recertification Backflow Prevention Certification & Recertification from $380.00 Type: Select Type New Certification Re-Certification Dates: Select Dates Sept 22-24 2026 Cert Class Oct 20-22 2026 Cert Class Sept 22-23 2026 Recert Class Oct 20-21 2026 Recert class Register Added!