The T&S Brass B-0963 is a continuous pressure, spill-resistant vacuum breaker designed for commercial foodservice and institutional plumbing installations where anti-siphon backflow protection is required on potable water lines. It is built for operators and contractors who need a field-testable, code-compliant solution that holds up under constant water pressure without weeping.
Anti-siphon backflow preventer rated for continuous pressure service, used to protect potable water supplies from reverse flow in commercial kitchens, prep areas, and institutional settings
Chrome plated brass body construction, corrosion-resistant and suited for demanding commercial environments
1/2" NPT female inlet and outlet connections; rated for a flow rate of 19.5 GPM at 60 PSI, an operating pressure range of 20 to 125 PSI, and temperatures between 40°F and 140°F
Includes quarter-turn shut-off ball valves, a test cock, and a bleeder screw, making the unit field-testable without full disassembly; must be installed at least 6 inches above the highest point of downstream piping
Low-lead compliant; the polished chrome finish resists corrosion and stands up to commercial cleaning without surface degradation
A repair kit, T&S Brass B-0963-RK, is available separately for serviceability; sold individually
