---
product_id: 383163218
title: "WATTSBrass & Tubular #9D-M3 1/2 1/2\" Backflow Preventer"
price: "$204.81"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/383163218-wattsbrass-and-tubular-9d-m3-1-2-1-2-backflow
store_origin: US
region: United States of America
---

# WATTSBrass & Tubular #9D-M3 1/2 1/2" Backflow Preventer

**Price:** $204.81
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** WATTSBrass & Tubular #9D-M3 1/2 1/2" Backflow Preventer
- **How much does it cost?** $204.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/383163218-wattsbrass-and-tubular-9d-m3-1-2-1-2-backflow)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

WATTSBrass & Tubular #9D-M3 1/2 1/2" Backflow Preventer

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000KLHK16 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #53,291 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #79 in Check Valves |
| Brand | Watts |
| Color | Stainless Steel,Brass |
| Connector Type | Union |
| Customer Reviews | 4.4 4.4 out of 5 stars (164) |
| Date First Available | August 17, 2005 |
| Exterior Finish | Brass |
| Included Components | 1/2" Backflow Preventer |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 1.15 pounds |
| Item dimensions L x W x H | 4 x 3 x 2 inches |
| Item model number | 9D-M3 1/2 |
| Manufacturer | Watts Brass & Tubular |
| Material | Brass |
| Measurement System | inch |
| Number of Pieces | 1 |
| Part Number | 9D-M3-1/2 |
| Product Dimensions | 4 x 3 x 2 inches |
| Shape | tubular |
| Size | 1/2 inch |
| Thread Type | NPT |
| UPC | 098268676815 |

## Product Details

- **Brand:** Watts
- **Color:** Stainless Steel,Brass
- **Connector Type:** Union
- **Exterior Finish:** Brass
- **Item Weight:** 1.2 Pounds
- **Item dimensions L x W x H:** 4 x 3 x 2 inches
- **Material:** Brass
- **Number of Pieces:** 1
- **Size:** 1/2 inch
- **Thread Type:** NPT

## Images

![WATTSBrass & Tubular #9D-M3 1/2 1/2" Backflow Preventer - Image 1](https://m.media-amazon.com/images/I/61cOWTVXLTL.jpg)

## Frequently Bought Together

- Watts Brass & Tubular #9D-M3 1/2 1/2" Backflow Preventer
- Bell and Gossett 110192 Fb-38 Pressure Reducing Valve
- Hydro Master Automatic Air Vent Valve 1/8 Inch Brass

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**Shop now:** [https://www.desertcart.us/products/383163218-wattsbrass-and-tubular-9d-m3-1-2-1-2-backflow](https://www.desertcart.us/products/383163218-wattsbrass-and-tubular-9d-m3-1-2-1-2-backflow)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-12*