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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
SCR 739
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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Imported from USA store
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Order now and get it around Monday, August 31
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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.
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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.
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
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 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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SCR 739
Order now and get it around Monday, August 31
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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