Backflow Recertification (2)
This course is provided to UA Members Only! Backflow Recertification Backflow preventers are required in Ohio to protect public water systems from contamination, requiring installation for hazards like irrigation systems, commercial boilers, or chemical processes. These devices must be installed by a licensed plumber and tested annually (every 12 months) by a certified backflow assembly tester, … Continue reading Backflow Recertification (2)
