10/16/2026
Fire Sprinkler Backflow Systems 🏢
As property managers across Manchester, NH and Portland, ME turn on heating systems, don’t neglect your fire suppression lines. Fire sprinkler systems represent a high-hazard cross-connection. Under NH Env-Dw 505 and Maine CDC Chapter 231 regulations, these assemblies require strict testing. We handle the paperwork for your local utility seamlessly.