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Watts 0061952 - 9D-S-M3 1/2 - 1/2" Bronze Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent, Union Copper x Copper Connections.
This 1/2 inch dual check valve backflow preventer with intermediate atmospheric vent helps prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve is designed for continuous pressure non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. It consists of a brass body with stainless steel internal parts, integral strainer, two durable tight seating rubber check valves, and soldered end connections.
- Compact design
- Horizontal or vertical installation
- Forged brass body for durability
- Stainless steel internal parts
- Model: 9D-S-M3-1/2