Watts Dual Check with Atmospheric Vent: LFN9, 1/4 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, designed for 1/4-inch pipe size connections. It features FNPT x FNPT connection type and a 7 gpm flow rate, constructed…
SKU 3G-OTH-430227
Also listed as: LFN9C14 · LFN9C 1 4 · LFN9C-1-4
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The Watts LFN9 is a continuous pressure dual check backflow preventer with an atmospheric vent, designed for 1/4-inch pipe size connections. It features FNPT x FNPT connection type and a 7 gpm flow rate, constructed from brass (MPN LFN9C-1/4"). This device provides backflow prevention in continuous pressure applications.
Frequently Asked Questions
What is a 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 residential and commercial plumbing systems. It is suitable for 1/4-inch pipe connections with a 7 gpm flow rate.
What are the specifications of the Watts LFN9C-1/4" backflow preventer?
The Watts LFN9C-1/4" has a 1/4-inch pipe size, FNPT x FNPT connections, a 7 gpm flow rate, and is made of brass. It is a continuous pressure dual check backflow preventer with an atmospheric vent, designed for backflow prevention in potable water systems.
Where to buy a Watts LFN9 backflow preventer worldwide?
3G Electric supplies the Watts LFN9 backflow preventer to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this brass dual check valve with atmospheric vent.
How to install a 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 per local codes after installation. For specific guidance, consult the manufacturer's instructions.
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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.
