Double Check Detector Assemblies from backflow-preventers.com

DOUBLE CHECK DETECTOR ASSEMBLIES
Model:	856 MasterSeries
Type:	Double Check Detector Assembly
Uses:	All non-health hazard (nontoxic) connections including: fire sprinkler and standpipe systems, irrigation systems, premise isolation.
Sizes:	2-1/2" - 8" SPECS MANUAL/PARTS
Approvals:	Horizontal USC* ASSE Listed (Std. 1048) ANSI/AWWA Conformance (C510-89) CAN/CSA Certified (B64.5) UL Listed FM Approved Vertical USC* (4" and 6" ONLY) ASSE Listed (Std. 1048) ANSI/AWWA Conformance (C510-89) CAN/CSA Certified (B64.5) UL Listed FM Approved * Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California. ** UL and FM Listings only applicable with approved OS&Y gates.

Model:	876/876V MasterSeries
Type:	Double Check Detector Assembly
Uses:	All non-health hazard (nontoxic) connections including: fire sprinkler and standpipe systems, irrigation systems, premise isolation.
Sizes:	2-1/2" - 10" SPECS MANUAL/PARTS
Approvals:	876/876V (Vertical Up and Standard) USC* ASSE Listed (Std. 1048) ANSI/AWWA Conformance (C510-89) CAN/CSA Certified (B64.5) UL Listed FM Approved * Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California. ** UL and FM Listings only applicable with approved OS&Y gates.