Watts Dual Check with Atmospheric Vent: LFN9, 3/8 in Pipe Size, FNPT x FNPT, 7 gpm Flow Rate
The WATTS LFN9 is a continuous pressure dual check backflow preventer with an atmospheric vent, available in a 3/8-inch pipe size with FNPT x FNPT connections. This brass unit has a flow rate of 7 gpm and is…
SKU 3G-OTH-430228
Also listed as: LFN938 · LFN9 3 8 · LFN9-3-8
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The WATTS LFN9 is a continuous pressure dual check backflow preventer with an atmospheric vent, available in a 3/8-inch pipe size with FNPT x FNPT connections. This brass unit has a flow rate of 7 gpm and is identified by manufacturer part number LFN9-3/8".
Frequently Asked Questions
What is the WATTS LFN9 dual check backflow preventer used for?
The WATTS LFN9 is a continuous pressure dual check backflow preventer with an atmospheric vent, used to protect potable water supplies from contamination in commercial and industrial plumbing systems. It prevents reverse flow under continuous pressure conditions.
What are the specifications of the WATTS LFN9-3/8"?
The WATTS LFN9-3/8" has a 3/8 in pipe size, FNPT x FNPT connections, a flow rate of 7 gpm, and is constructed from brass. It is designed for continuous pressure applications and includes an atmospheric vent for added protection.
Where to buy the WATTS LFN9 backflow preventer worldwide?
3G Electric supplies the WATTS LFN9 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 brass unit with FNPT connections.
How to install a WATTS LFN9 dual check valve?
Install the WATTS LFN9 in a horizontal or vertical position with flow arrow pointing downstream. Ensure the atmospheric vent is unobstructed and above grade. Use pipe thread sealant on FNPT connections and test per local codes after installation.
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Common applications for WattsWatts Products
3G Electric supplies Watts continuous pressure dual check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
