NFPA 14 has diagrams (A.7.1(a) '10 ed) of SP systems with pumps that have a flow switch shown in the supply pipe from the pump to the SP distribution main. I can't find anything in the body that requires a "master flow switch". Is the flow switch only required when there is a pump?
Ron F _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
