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Item #:
210708728
New 12 9D-M3 Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent, Brass backflow preventer Female Union Inlet and Outlet
Item #:
210708728
USD 49
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
Order now and get it around Friday, July 24
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Its superior corrosion resistance ensures decades of reliable service, delivering 3x the lifespan of standard valves.
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What Stands Out
Durable Brass Construction
Made from high-quality brass, this dual check valve ensures long-lasting durability and resistance to corrosion, making it ideal for reliable backflow prevention in various plumbing applications.
Intermediate Atmospheric Vent
The unique atmospheric vent offers additional safety by allowing trapped air to escape, preventing backflow and ensuring optimal performance in preventing contaminated water from entering clean supply lines.
Easy Installation
Designed with female union inlet and outlet connections, this backflow preventer allows for quick and straightforward installation, making it a hassle-free solution for both professionals and DIY enthusiasts.
Product Details
| Material | Brass |
| Brand | TOGJNDLL |
| Item dimensions L x W x H | 4.4 x 2 x 2.3 inches (11.2 x 5.1 x 5.8 cm) |
| Exterior Finish | Brass |
| Inlet Connection Size | 1/2 Inches (30.5 cm) |
| Inlet Connection Type | National Pipe Tapered |
| Outlet Connection Type | NPT |
| Maximum Operating Pressure | 175 Pound per Square Inch (444.5 cm) |
| Number of Ports | 2 |
| Outlet Connection Size | 1/2 Inches (30.5 cm) |
Who Should Buy?
-
Residential Users
Ideal for homeowners to prevent backflow in their plumbing systems, protecting potable water supply.
-
Irrigation Systems
Perfect for landscaping irrigation to ensure water does not flow back into the main supply.
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Plumbing Professionals
Beneficial for plumbers who need reliable backflow prevention devices for their client installations.
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Industrial Applications
Not suitable for large-scale industrial settings requiring heavy-duty backflow prevention mechanisms.
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High-Pressure Systems
May not perform effectively in high-pressure environments that demand specialized backflow preventers.
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Non-Pressurized Systems
Unnecessary for systems lacking adequate water pressure needing backflow prevention measures.
Product Description
New 12 9D-M3 Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent, Brass backflow preventer Female Union Inlet and Outlet Connections, 190T012
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Customer Questions & Answers
-
Question:
What is the maximum working pressure for this backflow preventer?
Answer: The maximum working pressure is 175psi (12.1 bar). -
Question:
Can this valve be installed vertically and horizontally?
Answer: Yes, it supports both vertical and horizontal installation. -
Question:
What temperature range can this valve handle?
Answer: It operates within a temperature range of 33 °F to 210 °F.
TOGJNDLL Check Valves Editorial Review
**** The New 1/2" 9D-M3 Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent is designed for those looking to ensure safe water flow in their systems. Customer feedback highlights the product's primary function and general effectiveness, confirming that it meets necessary requirements for a variety of applications, such as cold water feeds to pressure regulators for hot water boilers. Users appreciate the product for its cost-effectiveness, with one reviewer noting it as a good price for a backflow preventer. However, there are some compatibility concerns; one customer mentioned that this valve is not a direct replacement due to thread differences on the flare nuts, which may require careful Consideration during installation. Customers noted that while it is difficult to verify that the component is functioning correctly, those who installed it found that it worked as intended without issues. Overall, the New 1/2" 9D-M3 Dual Check Valve appears to satisfy the demands of most users, providing a reliable solution for backflow prevention in various plumbing applications, albeit with some potential challenges regarding installation compatibility. **
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Pros
- Cost-effective solution for backflow prevention.
- Meets specifications for various plumbing requirements.
- Functions reliably after installation.
Cons
- Not a direct replacement for all systems; thread compatibility may vary.
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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USD 49
Order now and get it around Friday, July 24
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Premium brass construction for durability and rust-proof reliability.
- Compact size for easy installation in tight spaces.
- Built-in strainer for easy maintenance and debris blockage.
- Leak-free performance under pressure fluctuations.
- Multi-functional use, ideal for various applications including boilers.
- Compatible with all major brands for versatile integration.
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