Watts Dual Check with Atmospheric Vent: 9BD, 3/8 in Pipe Size, MNPT x MNPT, 2.5 gpm Flow Rate
The WATTS 9BD is a carbonated water line dual check backflow preventer with an atmospheric vent. It features a 3/8-inch pipe size, MNPT x MNPT connections, and a 2.5 gpm flow rate.
SKU 3G-OTH-428542
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Product Description
The WATTS 9BD is a carbonated water line dual check backflow preventer with an atmospheric vent. It features a 3/8-inch pipe size, MNPT x MNPT connections, and a 2.5 gpm flow rate.
Frequently Asked Questions
What is the WATTS 9BD dual check backflow preventer used for?
The WATTS 9BD is a carbonated water line dual check backflow preventer with an atmospheric vent. It prevents backflow of carbonated water into potable water systems, commonly used in commercial beverage dispensers and soda fountains.
What are the specifications of the WATTS 9BD backflow preventer?
The WATTS 9BD has a 3/8 in pipe size, MNPT x MNPT male connections, and a 2.5 gpm flow rate. It is a dual check valve with an atmospheric vent, designed for carbonated water lines. The manufacturer part number is 9BD.
Where to buy the WATTS 9BD backflow preventer worldwide?
3G Electric supplies the WATTS 9BD dual check backflow preventer to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this carbonated water line valve.
How to install the WATTS 9BD dual check backflow preventer?
Install the WATTS 9BD in a carbonated water line with the flow arrow pointing downstream. Use thread sealant on the MNPT connections and ensure the atmospheric vent is unobstructed. Test per local plumbing codes after installation to verify backflow protection.
Used in
Common applications for WattsWatts Products
3G Electric supplies Watts carbonated water line dual check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













