Description
The Watts 0794015 Fourth Check Repair Kit provides the replacement components required to maintain the fourth check assembly of compatible backflow preventers and restore proper internal operation. Designed for 4-inch double check valve assemblies, the kit includes the specified service parts needed to replace worn check valve components during routine maintenance or repair. It is installed within the fourth check section of the backflow assembly without requiring replacement of the complete valve body. Restoring the check assembly enables the backflow filter to continue preventing reverse water flow through the protected piping system.
