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Watts Dual Check Valve: LF7, 3/8 in Pipe Size, FNPT x FNPT, 10 gpm Flow Rate - Potable Water Dual Check Backflow Preventers
WattsPotable Water Dual Check Backflow Preventers

Watts Dual Check Valve: LF7, 3/8 in Pipe Size, FNPT x FNPT, 10 gpm Flow Rate

The WATTS LF7 is a potable water dual check backflow preventer with a 3/8 in pipe size and FNPT x FNPT connections. It has a flow rate of 10 gpm and an overall length of 2.88 in. This device is designed for backflow…

SKU 3G-OTH-437170

Also listed as: 38LF7 · 3 8 LF7 · 3-8-LF7

Brand
Watts
Item
Dual Check Valve: LF7, 3/8 in Pipe Size, FNPT x FNPT, 10 gpm Flow Rate
Category
Potable Water Dual Check Backflow Preventers
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Watts
Manufacturer Part Number
3/8 LF7
Type
FNPT x FNPT
Overall Lg
2.88 in
Pipe Size
3/8 in
Flow Rate
10 gpm
Connection Type
FNPT x FNPT

Technical Documents

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS LF7 is a potable water dual check backflow preventer with a 3/8 in pipe size and FNPT x FNPT connections. It has a flow rate of 10 gpm and an overall length of 2.88 in. This device is designed for backflow prevention in potable water systems.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the WATTS LF7 dual check valve used for?

The WATTS LF7 dual check valve is used for backflow prevention in potable water systems. It protects drinking water supplies from contamination caused by back-siphonage or back-pressure in residential and commercial plumbing applications.

What are the specifications of the WATTS LF7 dual check valve?

The WATTS LF7 dual check valve has a 3/8 in pipe size with FNPT x FNPT connections, a flow rate of 10 gpm, and an overall length of 2.88 in. It is a potable water backflow preventer manufactured by WATTS, model number 3/8 LF7.

Where to buy the WATTS LF7 dual check valve worldwide?

3G Electric supplies the WATTS LF7 dual check valve worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this WATTS backflow preventer for your project.

How to install the WATTS LF7 dual check valve?

Install the WATTS LF7 dual check valve in a horizontal or vertical position with flow arrow aligned. Use thread sealant on FNPT connections and ensure no debris in the line. Test for backflow prevention after installation per local plumbing codes.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts Products

3G Electric supplies Watts potable water dual check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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