Watts Double Check Valve Assembly: LF709, 2 1/2 in Pipe Size, Flange x Flange
The Watts LF709-NRS is a double check valve assembly, part of the Watts Double Check Backflow Preventers product line. This unit features a 2 1/2 inch pipe size with flange x flange connections and an NRS gate valve…
SKU 3G-OTH-434575
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.
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Product Description
The Watts LF709-NRS is a double check valve assembly, part of the Watts Double Check Backflow Preventers product line. This unit features a 2 1/2 inch pipe size with flange x flange connections and an NRS gate valve shut-off valve type, with an overall length of 39.44 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 installed in non-health hazard cross-connections, such as irrigation, fire sprinkler, and boiler feed lines, ensuring that reverse flow does not introduce pollutants into the potable water supply.
What are the specifications of the Watts LF709-NRS double check valve assembly?
The Watts LF709-NRS has a 2 1/2 inch pipe size with flange x flange connections. It features an NRS gate valve shut-off type and an overall length of 39.44 inches. This assembly is part of the Watts Double Check Backflow Preventers product line, designed for reliable backflow prevention in non-health hazard applications.
Where to buy the Watts LF709-NRS double check valve assembly worldwide?
You can source the Watts LF709-NRS double check valve assembly through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct Watts backflow preventer for your project requirements.
How to install the Watts LF709-NRS double check valve assembly?
Install the Watts LF709-NRS double check valve assembly in a horizontal or vertical orientation with flow direction matching the arrow on the body. Ensure flange connections are properly gasketed and bolted to matching pipe flanges. Always follow local plumbing codes and test the assembly after installation to verify proper backflow prevention operation.
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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.
