

🛠️ Stop backflow before it starts — the pro’s choice for flawless flow control!
The Watts Brass & Tubular #9D-M3 1/2" Backflow Preventer is a compact, durable valve designed to prevent reverse water flow in smaller supply lines. Crafted from corrosion-resistant brass, it’s perfect for critical applications like laboratory equipment, dairy processing, and boiler feed lines. Featuring a reliable rubber disc check valve, it ensures a tight seal under continuous hot or cold water pressure, safeguarding your system with precision and durability.
| Size | 1/2 inch |
| Material | Brass |
| Brand | Watts |
| Color | Stainless Steel,Brass |
| Item dimensions L x W x H | 4 x 3 x 2 inches |
| Connector Type | Union |
| Exterior Finish | Brass |
| Thread Type | NPT |
| Item Weight | 1.2 Pounds |
| Number of Pieces | 1 |
| Manufacturer | Watts Brass & Tubular |
| UPC | 098268676815 |
| Part Number | 9D-M3-1/2 |
| Item Weight | 1.15 pounds |
| Product Dimensions | 4 x 3 x 2 inches |
| Item model number | 9D-M3 1/2 |
| Is Discontinued By Manufacturer | No |
| Shape | tubular |
| Item Package Quantity | 1 |
| Measurement System | inch |
| Included Components | 1/2" Backflow Preventer |
| Batteries Included? | No |
| Batteries Required? | No |
Trustpilot
1 month ago
1 month ago