Watts LFN9-1/4" Continuous Pressure Dual Check Backflow Preventer
The WATTS LFN9 is a continuous pressure dual check backflow preventer with an atmospheric vent, designed for 1/4-inch pipe sizes. It features FNPT x FNPT connections and a brass body, with a flow rate of 7 gpm. This…
SKU 3G-OTH-430226
Also listed as: LFN914 · LFN9 1 4 · LFN9-1-4
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.
Need installation or engineering help?
Ask a question
Product Description
The WATTS LFN9 is a continuous pressure dual check backflow preventer with an atmospheric vent, designed for 1/4-inch pipe sizes. It features FNPT x FNPT connections and a brass body, with a flow rate of 7 gpm. This model (MPN LFN9-1/4") provides dual check valve protection against backflow in continuous pressure applications.
Frequently Asked Questions
What is the WATTS LFN9 dual check backflow preventer used for?
The WATTS LFN9 is used to prevent backflow in continuous pressure water systems, such as residential or commercial plumbing. Its dual check valves and atmospheric vent protect potable water from contamination. The 1/4-inch brass body with FNPT connections suits tight spaces.
What are the specifications of the WATTS LFN9-1/4" backflow preventer?
The WATTS LFN9-1/4" has a brass body, FNPT x FNPT connections, and a flow rate of 7 gpm. It is a continuous pressure dual check backflow preventer with an atmospheric vent. The pipe size is 1/4 inch, and the manufacturer part number is LFN9-1/4".
Where to buy the WATTS LFN9 backflow preventer worldwide?
You can source the WATTS LFN9 backflow preventer through 3G Electric, a global industrial equipment distributor. We handle logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this brass dual check valve.
How to install the WATTS LFN9 dual check backflow preventer?
Install the WATTS LFN9 in a continuous pressure line with the flow arrow pointing downstream. Use thread sealant on the FNPT connections and ensure the atmospheric vent is unobstructed. Test the dual check valves per local codes after installation to verify backflow protection.
Used in
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.
