WILKINS Backflow Preventer: 740, 3/8 in Pipe Size, FNPT x FNPT, 2.2 gpm Flow Rate
The WILKINS Backflow Preventer: 740 is a carbonated water line dual check backflow preventer with a 3/8 in pipe size and FNPT x FNPT connections. It has a 2.2 gpm flow rate and a 1 in overall length (MPN 38-740F).
SKU 3G-OTH-428539
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Product Description
The WILKINS Backflow Preventer: 740 is a carbonated water line dual check backflow preventer with a 3/8 in pipe size and FNPT x FNPT connections. It has a 2.2 gpm flow rate and a 1 in overall length (MPN 38-740F).
Frequently Asked Questions
What is a WILKINS 740 backflow preventer used for?
The WILKINS 740 is a carbonated water line dual check backflow preventer. It protects potable water supplies from contamination caused by backflow from carbonated beverage dispensers, soda fountains, and similar equipment in commercial kitchens and food service applications.
What are the specifications of the WILKINS 740 backflow preventer?
The WILKINS 740 has a 3/8 in pipe size with FNPT x FNPT connections, a 2.2 gpm flow rate, and a 1 in overall length. The manufacturer part number is 38-740F. It is designed specifically for carbonated water lines to prevent backflow contamination.
Where to buy a WILKINS 740 backflow preventer worldwide?
3G Electric supplies the WILKINS 740 backflow preventer to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and a quote for the 38-740F model.
How to install a WILKINS 740 backflow preventer?
Install the WILKINS 740 in a carbonated water line with the flow arrow pointing downstream. Use thread sealant on the FNPT connections and tighten to manufacturer torque specs. Always install downstream of the shutoff valve and test annually per local plumbing codes.
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3G Electric supplies WILKINS 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.







