Backflow Prevention - Watts

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Section 1 — Single Check Valves Series 800 ..... 4" – 10" Detector Check for Automatic Fire Sprinkler Systems..... 8 Series 406 ..... 2" Detector Check for Automatic Fire Sprinkler Systems ..... 9 Section 2 — Double Check Valve Assemblies

  Series, Prevention, Valves, Backflow, Backflow prevention, Series valves