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Watts 1 in. x 1 in. Brass FPT x FPT Anti-Siphon Air Admittance Valve

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This 1 brass inch anti-siphon vacuum breaker backflow preventer is designed to prevent the backsiphonage of contaminated water from entering into the potable water supply. It is ideal for low flow non-continuous pressure installations such as residential irrigation systems or laboratory equipment. This vacuum breaker consists of bronze internal trim, chemical resistant seat disc and an atmospheric vent to prevent spilling. The durable silicone disc is suitable for temperatures up to 180 degrees F (82 degrees C) and ensures tight seating with the lightest of seating contacts. The maximum working pressure is 125 psi (8.6 bar).