Watts Double Check Valve Assembly: LF719, 3/4 in Pipe Size, FNPT x FNPT, 15.44 in Overall Lg
The Watts LF719 is a double check valve assembly, part of the Watts Double Check Backflow Preventers product line. This model features a 3/4-inch pipe size with FNPT x FNPT connections and a ball valve shut-off…
SKU 3G-OTH-434565
Also listed as: LF719QTS · LF719 QT S
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 LF719 is a double check valve assembly, part of the Watts Double Check Backflow Preventers product line. This model features a 3/4-inch pipe size with FNPT x FNPT connections and a ball valve shut-off valve, constructed from bronze. The manufacturer part number is LF719-QT-S.
Frequently Asked Questions
What is the Watts LF719 double check valve assembly used for?
The Watts LF719 double check valve assembly is used to prevent backflow in potable water systems. It is commonly installed in commercial and residential plumbing to protect drinking water from contamination due to backpressure or backsiphonage.
What are the specifications of the Watts LF719-QT-S?
The Watts LF719-QT-S is a bronze double check valve assembly with a 3/4-inch pipe size and FNPT x FNPT connections. It features a ball valve shut-off valve and has an overall length of 15.44 inches. The manufacturer part number is LF719-QT-S.
Where to buy the Watts LF719 double check valve assembly worldwide?
You can source the Watts LF719 double check valve assembly worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this model.
How to install a Watts double check valve assembly?
Install the Watts double check valve assembly in a horizontal or vertical position with flow direction matching the arrow on the body. Ensure upstream and downstream shut-off valves are open. Test the assembly per local codes after installation to verify proper backflow prevention.
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.
