Watts 774-NRS Double Check Backflow Preventer
The Watts 774 Double Check Valve Assembly is a 3-inch backflow preventer with flange x flange connections and NRS gate valve shut-offs. This model, MPN 774-NRS, measures 38 inches in overall length and is designed…
SKU 3G-OTH-434582
Also listed as: 774NRS · 774 NRS
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The Watts 774 Double Check Valve Assembly is a 3-inch backflow preventer with flange x flange connections and NRS gate valve shut-offs. This model, MPN 774-NRS, measures 38 inches in overall length and is designed for industrial backflow prevention applications.
Frequently Asked Questions
What is the Watts 774 double check valve assembly used for?
The Watts 774 double check valve assembly is used for industrial backflow prevention, protecting potable water supplies from contamination in cross-connection applications. It is suitable for low-hazard installations where a double check valve is required by code.
What are the specifications of the Watts 774-NRS backflow preventer?
The Watts 774-NRS has a 3 in pipe size, flange x flange connections, and NRS gate valve shut-offs. Overall length is 38 in. It is a double check valve assembly designed for industrial backflow prevention, with manufacturer part number 774-NRS.
Where to buy a Watts 774 double check valve assembly worldwide?
3G Electric supplies the Watts 774 double check valve assembly worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this model.
How to install a Watts 774 double check valve assembly?
Install the Watts 774 in a horizontal or vertical position with flow arrow pointing downstream. Ensure flange connections are properly gasketed and bolted. Follow local plumbing codes and manufacturer guidelines for testing and maintenance after installation.
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.
