Watts LF709-NRS Double Check Backflow Preventer
The Watts LF709-NRS is a 3-inch double check valve assembly from the Watts Double Check Backflow Preventers product line. It features flange x flange connections and is equipped with NRS gate valve shut-off valves…
SKU 3G-OTH-434580
Also listed as: LF709NRS · LF709 NRS
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The Watts LF709-NRS is a 3-inch double check valve assembly from the Watts Double Check Backflow Preventers product line. It features flange x flange connections and is equipped with NRS gate valve shut-off valves. This assembly has an overall length of 40.44 inches.
Frequently Asked Questions
What is the Watts LF709-NRS double check valve assembly used for?
The Watts LF709-NRS double check valve assembly is used in commercial and industrial water systems to prevent backflow contamination. It is commonly installed in fire sprinkler systems, irrigation lines, and process water applications where non-potable water must not reverse into the potable supply.
What are the specifications of the Watts LF709-NRS double check valve assembly?
The Watts LF709-NRS has a 3-inch pipe size with flange x flange connections. It includes NRS gate valve shut-off valves and has an overall length of 40.44 inches. The manufacturer part number is LF709-NRS, and it is part of the Watts Double Check Backflow Preventers product line.
Where to buy the Watts LF709-NRS double check valve assembly worldwide?
3G Electric supplies the Watts LF709-NRS double check valve assembly worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this Watts backflow preventer.
How to install the Watts LF709-NRS double check valve assembly?
Install the Watts LF709-NRS in a horizontal or vertical position with flow arrow pointing downstream. Ensure flange gaskets are properly aligned and bolts are torqued evenly. Always install test cocks and shut-off valves per local plumbing codes. Consult the Watts installation manual for specific torque values.
Used in
Common applications for WattsWatts Products
3G Electric supplies Watts watts double check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
