Lead Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly for Three Quarter Inch NPT Connections, Quarter Turn Shutoff, Single Top Entry, Freeze Sensor, Modular Design, Continuous Pressure Piping and Cross Connection Protection
✔️ Single unit 3/4 in NPT, dual inline check modules, top-entry
The compact, lead-free copper-silicon double check backflow preventer is designed for non-health hazard applications in continuous-pressure piping. It protects potable water by preventing backflow at cross-connections and service line entrances. This unit uses 3/4 in NPT connections and top-entry service for easy maintenance.
✅ Lead-free copper-silicon body for durable, compliant construction
✅ 3/4 in NPT connections with quarter-turn ball valve shutoffs
✅ Two inline independent positive seating check modules for double protection
✅ Top-mounted test cocks and captured springs for reliable operation
✅ Inline serviceable with replaceable discs and seats
✅ Freeze sensor compatible with SentryPlus Alert technology; optional sensor kit available
💡 What is a backflow preventer used for in drinking water systems?
- It helps keep potable water safe by preventing backflow from contaminated sources.
- It uses dual inline check modules to provide extra protection in continuous-flow piping.
- It is designed for easy inline maintenance with top-entry access and replaceable discs and seats.