Watts 9D-M3-1/2 Dual Check Backflow Preventer, 1/2" Clearance spark-eroded Triple Chip grind for

spark-eroded Triple Chip grind for long life

Install with four 10D x 1-1/2" nails into base and four 10D x 1-1/2" nails into post

Double pole

Use for indoor and Outdoor

Homax® Easygate® No-Sag Gate Kit enables any homeowner to build a sag-free

Watts 9D-M3-1/2 Dual Check Backflow Preventer, 1/2" Clearance spark-eroded Triple Chip grind forIntermediate Atmospheric Vent prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. It consists of a brass body with stainless steel internal parts, integral strainer, and two durable, tight sealing, rubber check valves. Designed for continuous pressure, non health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for