Description
The Watts 9DM2-3/4 Back Flow Preventer Atmospheric Vent controls water flow direction and prevent reverse flow within plumbing and water supply applications in residential and commercial HVAC systems. Positioned in compatible water line assemblies, the component supports protection of potable water systems by stopping contaminated water from flowing back into the supply line. Featuring a 3/4-inch NPT connection with an atmospheric vent BP901 configuration, the assembly integrates with designated pressure and flow control applications. Installed within compatible piping sections, the back flow preventer assists with controlled water flow management, system protection, and fluid handling performance.
