Show or Hide

Backflow Prevention



Spill Resistant Atmospheric Vacuum Breakers


Replacement Product: LF289


3/8 to 1 in. (10 to 25mm)


Series 289 Spill Resistant Atmospheric Vacuum Breakers prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction (289) or chrome finish (289C), silicone rubber check disc, stainless steel springs, a lightweight plastic disc float that minimizes deposits and scaling, a spring-loaded atmospheric vent with O-ring, and a spill-resistant diaphragm seal. Series 289 has a compact, space-saving design, and is ideal for health hazard applications requiring continuous pressure such as on chemical dispensers or factory machine equipment. Maximum Pressure:150psi (10.34 bar), Minimum Pressure: 8psi (.55 bar).

Loading Models/UPC Codes...

There are currently no BIM drawings available for this product.

Approval information is not available on this item, please contact your local Watts Representative for this information.
Loading warranty information...

Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

Please Note: Watts literature requires Adobe Acrobat Reader to view.

Got Feedback?