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Watts LF7R Potable Water Dual Check Backflow Preventer - Potable Water Dual Check Backflow Preventers
WattsPotable Water Dual Check Backflow Preventers

Watts LF7R Potable Water Dual Check Backflow Preventer

<p>The Watts LF7R Potable Water Dual Check Backflow Preventer is a reliable solution for protecting potable water supplies from backflow contamination. This 3/4-inch model features a True Union FNPT connection…

SKU 3G-OTH-437183

Also listed as: 34X34LF7RU2U2 · 3 4X3 4 LF7RU2 U2 · 3-4X3-4-LF7RU2-U2

Brand
Watts
Item
LF7R Potable Water Dual Check Backflow Preventer
Part Number
3/4X3/4 LF7RU2-U2
Category
Potable Water Dual Check Backflow Preventers
Available to Order
Also known as:3/4X3/4 LF7RU2-U2Watts
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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

Technical Specifications

Watts
Manufacturer Part Number
3/4X3/4 LF7RU2-U2
Type
True Union FNPT, Brass, EPDM
Pipe Size
3/4 in
Flow Rate
15.5 gpm
Connection Type
True Union FNPT

Technical Documents

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

Product Description

<p>The Watts LF7R Potable Water Dual Check Backflow Preventer is a reliable solution for protecting potable water supplies from backflow contamination. This 3/4-inch model features a True Union FNPT connection, making installation and maintenance straightforward. Constructed with a brass body and EPDM seals, it ensures durability and compatibility with potable water systems. With a flow rate of 15.5 gpm, it is suitable for a range of commercial and industrial applications.</p><p>Ideal for facilities managers, plumbers, and contractors in Singapore, this backflow preventer meets the needs of projects requiring dependable backflow protection. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia, ensuring your procurement process is seamless.</p>

Frequently Asked Questions

What are the key specifications of the Watts LF7R backflow preventer?

The Watts LF7R is a 3/4-inch dual check backflow preventer with True Union FNPT connections, made of brass with EPDM seals. It has a flow rate of 15.5 gpm and is designed for potable water applications.

Can I get a quote in SGD and what about delivery in Singapore?

Yes, 3G Electric provides SGD quotes on request. For Singapore buyers, GST is handled. We offer fast delivery across Singapore and Southeast Asia.

Used in

Common applications for Watts
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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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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The Watts LF7 is a dual check backflow preventer for potable water systems, featuring a 3/8 in pipe size with FNPT x FNPT connections. It has a flow rate of 10 gpm and an overall length of 2.88 in. This device is used to protect drinking water supplies from contamination due to backflow in branch lines serving fixtures such as hose bibbs or boiler fill valves
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The Watts LF7 is a dual check backflow preventer for potable water systems, featuring a 3/8 in pipe size with FNPT x FNPT connections. It has a flow rate of 10 gpm and an overall length of 2.88 in. This device is used to protect drinking water supplies from contamination due to backflow in branch lines serving fixtures such as hose bibbs or boiler fill valves
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Watts 1/2 LFN9-C dual check backflow preventer for potable water systems. Features 1/2 inch FNPT x FNPT connections, 7 gpm flow rate, and 2.38 inch overall length. Used to prevent backflow in cross-connections such as irrigation or boiler feed lines

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