Watts Dual Check Valve: SD-3, 3/8 in Pipe Size, FNPT x MNPT, 2.5 gpm Flow Rate
The WATTS SD-3 is a carbonated water line dual check backflow preventer with a 3/8 in pipe size and FNPT x MNPT connections. It has a 2.5 gpm flow rate and an overall length of 4.5 in.
SKU 3G-OTH-428541
Also listed as: SD3MF38 · SD3 MF 3 8 · SD3-MF-3-8
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
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Product Description
The WATTS SD-3 is a carbonated water line dual check backflow preventer with a 3/8 in pipe size and FNPT x MNPT connections. It has a 2.5 gpm flow rate and an overall length of 4.5 in.
Frequently Asked Questions
What is a WATTS SD-3 dual check valve used for?
The WATTS SD-3 is a carbonated water line dual check backflow preventer. It protects potable water supplies from backflow contamination in beverage dispensing systems, soda fountains, and commercial kitchens where carbonated water is used.
What are the specifications of the WATTS SD-3 dual check valve?
The WATTS SD-3 has a 3/8 in pipe size with FNPT x MNPT connections, a 2.5 gpm flow rate, and an overall length of 4.5 in. It is designed specifically for carbonated water lines to prevent backflow.
Where to buy a WATTS SD-3 dual check valve worldwide?
3G Electric supplies the WATTS SD-3 dual check valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this carbonated water line backflow preventer.
How to install a WATTS SD-3 dual check valve?
Install the WATTS SD-3 in a vertical or horizontal position with flow direction matching the arrow on the body. Use thread sealant on the FNPT x MNPT connections and ensure the valve is accessible for periodic testing and maintenance per local codes.
Used in
Common applications for WattsWatts Products
3G Electric supplies Watts carbonated water line dual check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
