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Watts LF7 Potable Water Dual Check Backflow Preventer - Potable Water Dual Check Backflow Preventers
WattsPotable Water Dual Check Backflow Preventers

Watts LF7 Potable Water Dual Check Backflow Preventer

The WATTS LF7 is a potable water dual check backflow preventer designed to protect drinking water supplies. This model features a 1-1/4 in pipe size with a Male Meter Swivel x FNPT connection type and a 33 gpm flow…

SKU 3G-OTH-437195

Also listed as: 114X1LF710U2 · 1 1 4X1 LF7 10 U2 · 1-1-4X1-LF7-10-U2

Brand
Watts
Item
LF7 Potable Water Dual Check Backflow Preventer
Part Number
1-1/4X1 LF7 10-U2
Category
Potable Water Dual Check Backflow Preventers
Available to Order
Also known as:1-1/4X1 LF7 10-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
1-1/4X1 LF7 10-U2
Type
Male Meter Swivel x FNPT, Male
Pipe Size
1 1/4 in
Flow Rate
33 gpm
Connection Type
Male Meter Swivel x FNPT

Technical Documents

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS LF7 is a potable water dual check backflow preventer designed to protect drinking water supplies. This model features a 1-1/4 in pipe size with a Male Meter Swivel x FNPT connection type and a 33 gpm flow rate. It is identified by manufacturer part number 1-1/4X1 LF7 10-U2.

Frequently Asked Questions

What is the WATTS LF7 backflow preventer used for?

The WATTS LF7 is a potable water dual check backflow preventer that protects drinking water supplies from contamination. It is commonly installed on residential and commercial water service lines where a low-hazard backflow condition exists, ensuring safe water delivery.

What are the specifications of the WATTS LF7 backflow preventer?

The WATTS LF7 has a 1 1/4 in pipe size, Male Meter Swivel x FNPT connection type, and a 33 gpm flow rate. It is a potable water dual check backflow preventer with manufacturer part number 1-1/4X1 LF7 10-U2, designed for low-hazard applications.

Where to buy the WATTS LF7 backflow preventer worldwide?

3G Electric supplies the WATTS LF7 backflow preventer to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this model.

How to install a WATTS LF7 dual check backflow preventer?

Install the WATTS LF7 in a horizontal or vertical position with the flow arrow pointing downstream. Ensure the Male Meter Swivel connection is properly sealed to the meter and the FNPT outlet is connected to the service line. Always follow local plumbing codes and test the device after 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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