For example, per the City of Toledo, you may be required to take precautions to forestall contamination of the basic public water supply, including installing an applicable backflow prevention gadget. The water company’s concern is backflow prevention, while NFPA 25’s concern is that the check valves open when wanted. Virtually all sprinkler systems that tie into city water provides have backflow preventers put in at present. After backflow testing is completed, we open the water provide valves,...