Watts LF288A 3/8″ Brass Anti-Siphon Vacuum Breaker
$145.39 on Amazon.com (as of October 17, 2026, 11:12 AM EST) View details ↗
Protect your potable water system with the Watts LF288A 3/8″ Lead-Free Brass Anti-Siphon Vacuum Breaker, a reliable solution for low-flow, non-continuous health hazard applications. Designed for both hot and cold water use, this backflow preventer ensures compliance with safety standards while safeguarding against back-siphonage—ideal for laboratory equipment, irrigation systems, and other sensitive applications where water purity is critical.
Built with a durable lead-free brass body, the LF288A features a female NPT inlet and outlet for secure connections, a chemical-resistant silicone disc seat for longevity, and a chrome hood to prevent spilling. The full-sized orifice maintains pipe capacity while maximizing flow efficiency, and an integrated atmospheric vent ensures proper operation. Trust Watts—an industry leader since 1874—to deliver water safety solutions that protect your system and the environment.
| Connection Type | Female NPT inlet and outlet |
|---|---|
| Material | Lead-free brass body |
| Seat Disc | Chemical-resistant silicone |
| Orifice Size | Full-sized (3/8″) |
| Temperature Rating | Hot and cold water |
| Load Capacity | Low-flow, non-continuous health hazard applications |






