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Item #:
240423628
1-350 Double Check Backflow Preventer,Double Check Valve Assembly
87% of respondents would recommend this to a friend
Item #:
240423628
AUD 339
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 Wednesday, October 07
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The 350 double check backflow preventer features a detachable pressure vessel design, aimed at reducing maintenance time and costs.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Reliable Protection
This double check backflow preventer ensures water safety by preventing contamination, offering peace of mind for residential and commercial properties.
Durable Construction
Engineered with high-quality materials, this backflow preventer is built to withstand harsh conditions, ensuring longevity and reliability in any environment.
Easy Installation
Designed for straightforward setup, the 34-350 model simplifies installation processes, making it accessible for professionals and DIY enthusiasts alike.
Product Details
| Brand Name | Onylraep |
| Model Number | 1-350 B |
| Number of Packs | 1 |
| Unit Count | 1 Count |
| Item Highlight | 1"Backflow Preventer,Prevent Backpressure and Backsiphonage |
| Manufacturer | Onylraep |
| Number of Items | 1 |
| Included Components | 1-350 body |
| Set Name | Single 1 Inch Double Check Backflow Preventer |
| Material Type | Bronze |
| Exterior Finish | Bronze |
| Inlet Connection Type | Flange |
| Outlet Connection Type | Flange |
| Number of Ports | 2 |
| Thread Size | 1/4 NPT |
| Thread Type | NPT |
| Connector Type | Flange, NPT |
| Valve Type | Check Valve |
| Item Dimensions | 17 x 4.13 x 5 inches (43.2 x 10.5 x 12.7 cm) |
| Inlet Connection Size | 1 inches |
| Outlet Connection Size | 1 inches |
| Size | 1 Inch |
| Specification Met | ASSE 1013 |
| Material | Bronze |
| Brand | Onylraep |
| Item dimensions L x W x H | 17 x 4.13 x 5 inches (43.2 x 10.5 x 12.7 cm) |
Who Should Buy?
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Residential Applications
Homeowners looking for reliable backflow prevention in irrigation or plumbing systems will benefit from this durable valve assembly.
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Commercial Use
Businesses requiring compliance with local plumbing codes for backflow prevention will find this product essential and effective.
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Professional Installers
Plumbers and contractors who need a robust and easy-to-install backflow preventer will appreciate this assembly's design and reliability.
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High-Pressure Systems
This product is not suitable for high-pressure applications beyond its specified threshold, which may compromise its effectiveness.
Product Description
1-350 Double Check Backflow Preventer,Double Check Valve Assembly
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Customer Questions & Answers
-
Question:
What makes the 350 backflow preventer easy to maintain?
Answer: Its detachable pressure vessel design allows for off-line servicing, reducing overall maintenance time. -
Question:
Is this product suitable for outdoor use?
Answer: Yes, its durable construction ensures optimal performance even in harsh outdoor conditions. -
Question:
How does the double check valve enhance safety?
Answer: The dual check valve system ensures that if one valve fails, the second will still operate to prevent backflow.
Onylraep Check Valves 1-350 B Editorial Review
**** The 34-350 3/4" Double Check Backflow Preventer appears to have garnered mixed reviews from customers, highlighting both its strong attributes and some significant concerns. On the positive side, many users have reported that the installation process is straightforward and that the product fits nicely in standard irrigation setups. Its solid Construction is acknowledged, with users appreciating the value it offers compared to similar products in the market. The preventer is designed with dual check valves and has multiple test cocks, enhancing its utility for both residential and light commercial applications. When operational, the unit seems to maintain Consistent water pressure while preventing backflow, providing peace of mind to those using it. However, there are critical warnings from customers regarding the legality and safety of using this product in potable water systems. Several users pointed out that the device lacks a serial number, leading to serious concerns about its legitimacy. One reviewer specifically cautioned against its use, citing potential legal issues and advising others to invest in a more reputable option, even at a higher cost. Despite the functionality claimed by some users, the lack of compliance with safety standards raises a red flag, especially for those intending to use it in drinking water systems. In summary, while the backflow preventer shows promise as a durable and effective tool for certain applications, potential buyers should tread cautiously and Consider the implications of its use, particularly concerning health and regulations. **
Customer Reviews & Ratings
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Pros
- Easy installation and fit for standard irrigation setups
- Solid Construction and good value compared to similar products
- Dual check valves and multiple test cocks enhance utility
Cons
- Concerns regarding the absence of a serial number and legality of use
Platform Trust & Buyer Confidence
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- 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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AUD 339
Order now and get it around Wednesday, October 07
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
- Detachable pressure vessel design reduces maintenance time and costs.
- Prevents contaminated water from flowing back into the potable supply.
- Ideal for irrigation contractors and continuous pressure piping systems.
- Constructed from durable stainless steel and reinforced nylon for longevity.
- Easy installation and supports both indoor and outdoor use.
- Enhanced safety with two check valves in series for reliable backflow prevention.
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