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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

The WATTS LF7R is a potable water dual check backflow preventer with a 3/4 in pipe size and True Union FNPT connection. It features a 15.5 gpm flow rate and is constructed from brass with EPDM seals (MPN 3/4X3/4…

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 — 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
3/4X3/4 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

The WATTS LF7R is a potable water dual check backflow preventer with a 3/4 in pipe size and True Union FNPT connection. It features a 15.5 gpm flow rate and is constructed from brass with EPDM seals (MPN 3/4X3/4 LF7RU2-U2).

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 LF7R backflow preventer used for?

The WATTS LF7R is a dual check backflow preventer designed for potable water systems. It prevents contaminated water from flowing backward into clean water lines, commonly used in residential and commercial plumbing applications to protect drinking water quality.

What are the specifications of the WATTS LF7R backflow preventer?

The WATTS LF7R has a 3/4 in pipe size with True Union FNPT connections, a 15.5 gpm flow rate, and is made of brass with EPDM seals. The manufacturer part number is 3/4X3/4 LF7RU2-U2. It is a potable water dual check backflow preventer.

Where to buy the WATTS LF7R backflow preventer worldwide?

3G Electric supplies the WATTS LF7R backflow preventer worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the WATTS LF7R backflow preventer?

Install the WATTS LF7R in a horizontal or vertical position with flow direction matching the arrow on the body. Use thread sealant on the True Union FNPT connections and ensure the unit is accessible for testing. Follow local plumbing codes and the manufacturer's instructions for proper installation.

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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