Watts Backflow Preventer: 9D, 1/2 in Pipe Size, Sweat x Socket, 18.7 gpm Flow Rate
The WATTS 9D is a continuous pressure dual check backflow preventer with a 1/2 in pipe size, sweat x socket connections, a flow rate of 18.7 gpm, and a brass body with rubber components (MPN 1/2 9DS-M3).
SKU 3G-OTH-430236
Also listed as: 129DSM3 · 1 2 9DS M3 · 1-2-9DS-M3
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 9D is a continuous pressure dual check backflow preventer with a 1/2 in pipe size, sweat x socket connections, a flow rate of 18.7 gpm, and a brass body with rubber components (MPN 1/2 9DS-M3).
Frequently Asked Questions
What is the WATTS 9D backflow preventer used for?
The WATTS 9D is a continuous pressure dual check backflow preventer used to protect potable water supplies from contamination due to backflow. It is installed in residential and commercial plumbing systems, typically on water lines serving boilers, irrigation, or process equipment.
What are the specifications of the WATTS 9D backflow preventer?
The WATTS 9D has a 1/2 in pipe size, sweat x socket connections, a flow rate of 18.7 gpm, and a brass body with rubber components. The manufacturer part number is 1/2 9DS-M3. It is designed for continuous pressure applications.
Where to buy the WATTS 9D backflow preventer worldwide?
3G Electric supplies the WATTS 9D backflow preventer worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to install the WATTS 9D backflow preventer?
Install the WATTS 9D in a horizontal or vertical position with flow direction matching the arrow on the body. Use approved thread sealant on sweat connections and ensure downstream pressure does not exceed upstream. Always follow local plumbing codes and manufacturer guidelines.
Used in
Common applications for WattsWatts Products
3G Electric supplies Watts continuous pressure dual check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
