The Watts 288A Anti-Siphon Vacuum Breaker is engineered to prevent the reverse flow of contaminated water into potable water systems due to backsiphonage. Constructed with a brass body, it features a chemical-resistant silicone seat disc and an atmospheric vent designed to prevent spillage. The device includes a full-size orifice to ensure maximum flow capacity corresponding to the pipe size. It is suitable for both hot and cold water applications, with a maximum operating pressure of 125 psi and a temperature limit of 180°F (82°C). This vacuum breaker is ideal for low-flow, non-continuous health hazard installations, such as laboratory equipment.
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| Body Material | Brass |
| Seat Disc Material | Chemical-resistant silicone |
| Finish Options | Brass or polished chrome |
| Connection Type | Female NPT inlet and outlet |
| Available Sizes | 1/4″ to 3″ |
| Maximum Operating Pressure | 125 psi (8.6 bar) |
| Maximum Operating Temperature | 180°F (82°C) |