Watts Double Check Valve Assembly: LF709, 8 in Pipe Size, Flange x Flange, 75.44 in Overall Lg
The Watts LF709-NRS is a double check valve assembly, part of the Watts Double Check Backflow Preventers product line. This model features an 8-inch pipe size with flange x flange connections and an NRS gate valve…
SKU 3G-OTH-434611
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 double check valve assembly, part of the Watts Double Check Backflow Preventers product line. This model features an 8-inch pipe size with flange x flange connections and an NRS gate valve shut-off type, with an overall length of 75.44 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 to prevent backflow in industrial water systems, protecting potable water supplies from contamination. It is commonly installed in commercial, municipal, and irrigation applications where non-hazardous backflow conditions exist.
What are the specifications of the Watts LF709-NRS double check valve assembly?
The Watts LF709-NRS has an 8-inch pipe size with flange x flange connections and an NRS gate valve shut-off type. Its overall length is 75.44 inches. This model is part of the Watts 709 series double check backflow preventers, designed for reliable backflow protection.
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 since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.
How to install the Watts LF709-NRS double check valve assembly?
Install the Watts LF709-NRS in a horizontal or vertical orientation with flow arrow aligned. Ensure flange connections are properly gasketed and bolted to matching flanges. Follow local plumbing codes and Watts' generic installation guidelines for backflow preventers to ensure proper operation.
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.
