The Watts 1 in. FPT x 1 in. FPT Brass Anti-Siphon Vacuum Breaker is a durable, reliable solution for protecting your potable water supply from backflow in irrigation and external piping. Crafted in solid brass, this anti-siphon device withstands outdoor conditions while delivering steady performance season after season.
-
Material: Brass for durability and corrosion resistance
-
Maximum pressure: 150 psi
-
Maximum temperature: 140°F
-
Connections: Two 1" Female Pipe Thread (FPT) ends
-
Size: 1" inlet and 1" outlet (FPT × FPT)
-
Packaging: Boxed, 1 piece per package
-
Brand: Watts
-
Product type: Anti-Siphon Vacuum Breaker
Why you need it
Backflow prevention is essential when irrigation, booster pumps, or outdoor fixtures share a supply with your potable water. This Watts vacuum breaker actively vents to the atmosphere when pressure fluctuates, preventing siphoning that could carry fertilizers, pesticides, or other contaminants back into your drinking water. It’s a straightforward, low-maintenance way to safeguard your family’s water supply while keeping irrigation systems compliant with common outdoor-water best practices.
Key benefits and use cases
-
Backflow protection stops reverse flow into your main water line, guarding against contamination.
-
Versatile irrigation compatibility ideal for sprinkler zones, drip systems, and other outdoor irrigation setups using 1" piping.
-
Durable brass construction stands up to weather exposure and irrigation fluids for long-lasting service.
-
Easy installation two 1" FPT connections simplify pairing with standard piping and fittings.
-
Compact, reliable design fits neatly in tight spaces while delivering dependable performance when it’s needed most.
Installation and practical tips
Install on standard 1" piping with appropriate male fittings. Use Teflon tape on threaded connections and avoid overtightening to prevent leaks. After installation, check for leaks with the system pressurized. Keep the vent port clear of debris to ensure proper operation, and perform periodic inspections as part of routine irrigation maintenance. Because the device is brass, it offers solid performance across typical outdoor climates while resisting corrosion from common irrigation chemicals.
Who this is for
Homeowners with outdoor irrigation, garden beds, or any installation where potable water lines could be exposed to backflow risk will benefit from this Watts Anti-Siphon Vacuum Breaker. It’s a practical choice for maintaining clean, safe water supplies while enabling reliable outdoor watering.
Why choose Watts
Watts is a trusted name in essential plumbing and backflow prevention components. This brass anti-siphon vacuum breaker combines solid construction with straightforward functionality, giving you a dependable solution that’s simple to install and built to last in outdoor environments.
