Watts Double Check Valve Assembly: LF709, 4 in Pipe Size, Flange x Flange, 52.38 in Overall Lg
The Watts LF709 Double Check Valve Assembly (SKU 3G-OTH-434584) is a 4-inch pipe size backflow preventer with flange x flange connections and an OSY gate valve shut-off. This assembly, model LF709-OSY, measures 52.38…
SKU 3G-OTH-434584
Also listed as: LF709OSY · LF709 OSY
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Product Description
The Watts LF709 Double Check Valve Assembly (SKU 3G-OTH-434584) is a 4-inch pipe size backflow preventer with flange x flange connections and an OSY gate valve shut-off. This assembly, model LF709-OSY, measures 52.38 inches in overall length and is designed for industrial backflow prevention applications.
Frequently Asked Questions
What is the Watts LF709 Double Check Valve Assembly used for?
The Watts LF709 Double Check Valve Assembly is used for industrial backflow prevention, protecting potable water supplies from contamination due to backpressure or backsiphonage. It is suitable for non-health hazard cross-connections in commercial, irrigation, and industrial systems where continuous water service is required.
What are the specifications of the Watts LF709 Double Check Valve Assembly?
The Watts LF709-OSY has a 4-inch pipe size, flange x flange connections, and an OSY gate valve shut-off. Its overall length is 52.38 inches. The manufacturer part number is LF709-OSY, and it is part of the Watts 709 series double check backflow preventers.
Where to buy the Watts LF709 Double Check Valve Assembly worldwide?
You can source the Watts LF709-OSY Double Check Valve Assembly through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this backflow preventer.
How to install the Watts LF709 Double Check Valve Assembly?
Install the Watts LF709-OSY in a horizontal position with adequate clearance for maintenance. Ensure the flange connections are properly aligned and gasketed. The OSY gate valve shut-off should be fully open during operation. Follow local plumbing codes and the manufacturer's instructions for backflow preventer installation.
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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.
