
AquaPEX is a type of PEX-based piping with enhanced durability and performance capabilities beyond standard PEX tubing. PEX, or cross-linked polyethylene, is a flexible plastic tubing commonly used for water supply lines in residential and commercial plumbing systems. It is often preferred by professionals due to its flexibility, freezing resistance, easy connections, and price. AquaPEX, manufactured by Uponor, was introduced to the US market in 2004 as an alternative to PEX with greater strength, chlorine resistance, and ability to withstand pressure surges. While PEX and AquaPEX are both quality options for flexible plastic plumbing pipes, there have been concerns raised about the potential impact of PEX pipes on water quality and their propensity to crack and leak.
| Characteristics | Values |
|---|---|
| Is Aquapex plastic? | Yes, Aquapex is a type of plastic piping. |
| Durability | Aquapex has been tested for over 40 years and is considered extremely durable. |
| Cost | Aquapex is 15-20% more expensive than PEX piping. |
| Installation | Aquapex is easy to install, but PEX may allow for faster and simpler installations due to its flexibility. |
| Temperature resistance | Aquapex is rated for 200°F continuous exposure and up to 230°F for short durations. |
| Chemical resistance | Aquapex has enhanced resistance to chlorine and chloramines compared to standard PEX. |
| Safety | Aquapex is non-toxic and does not contain harmful chemicals such as lead. |
| Flexibility | Aquapex is stiffer than PEX, which can make tighter bends. |
| Sustainability | Aquapex provides enhanced durability for high-temperature and critical applications. |
| Connections | Aquapex has fewer connections due to its high flexibility, reducing the potential for leaks. |
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What You'll Learn
- AquaPEX is a PEX-based piping with enhanced durability and performance
- It has been tested for over 40 years and is shown to be extremely durable
- AquaPEX is more resistant to chlorine and chloramines than standard PEX
- It is rated for 200°F continuous exposure and up to 230°F for short periods
- A class-action lawsuit alleges that AquaPEX pipes can crack and leak within 3-10 years

AquaPEX is a PEX-based piping with enhanced durability and performance
AquaPEX is made from cross-linked polyethylene, a type of plastic that is flexible and resistant to freezing. This makes it less likely to break when water freezes inside, a common issue with metal pipes. PEX pipes are created by extruding polyethylene resin into a tube and then exposing it to radiation, which creates cross-links that make the material more rigid and heat resistant. AquaPEX is also a PEX-based piping, but it has been designed to offer greater strength and resistance to chlorine and pressure surges.
One of the key advantages of AquaPEX over standard PEX is its enhanced durability. It has been tested for over 40 years and is proven to be more durable than traditional metal pipes. The material is also non-toxic and environmentally friendly, as it does not use harmful chemicals such as lead in its production. The high flexibility of AquaPEX means fewer connections are required, reducing the potential for leaks.
In terms of performance, AquaPEX offers improved heat resistance compared to PEX. It can withstand continuous temperatures of up to 200°F, and up to 230°F for short periods. This makes it suitable for hot water lines. AquaPEX also has enhanced resistance to chlorine and chloramines, which can be beneficial in certain applications. However, PEX may have a slight edge in long-term durability when exposed to alkalies.
When it comes to cost, AquaPEX is generally more expensive than PEX, with prices approximately 15-20% higher. However, advocates of AquaPEX argue that the additional costs are offset by its enhanced performance and warranty coverage. PEX, on the other hand, offers more flexibility and ease of bending during installation, potentially reducing installation time and costs.
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It has been tested for over 40 years and is shown to be extremely durable
AquaPEX is a PEX-based piping with a distinctive blue stripe, manufactured by Uponor. It was introduced to the US market in 2004 after gaining popularity in Europe. AquaPEX has been tested for over 40 years and has proven to be highly durable.
The durability of AquaPEX pipes is attributed to the use of crosslinked polyethylene, a strong and sturdy material that is more resistant to freezing than traditional metal or copper pipes. This flexibility also reduces the number of connections required, minimizing the potential for leaks. The pipes are also non-toxic, environmentally friendly, and cost-effective, as they do not require additional insulation.
AquaPEX is designed to offer enhanced durability and performance compared to standard PEX tubing. It provides greater strength, improved chlorine resistance, and better pressure surge handling. These features make it suitable for high-temperature applications and critical plumbing systems.
However, there have been some concerns raised about potential defects in AquaPEX pipes. A class-action lawsuit alleges that the red, white, and blue PEX pipes manufactured by Uponor are prone to oxidation and can fail within three to ten years, resulting in leaks and property damage. The lawsuit further contends that the fitting installation design exacerbates the issue, creating stress and cracks in the pipes.
Despite these concerns, AquaPEX has been widely adopted due to its flexibility, heat resistance, freezing resistance, easy connections, and accessibility in terms of price. It is important for consumers to be aware of potential issues and stay informed about the latest research and industry standards when considering plumbing options for their homes or businesses.
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AquaPEX is more resistant to chlorine and chloramines than standard PEX
AquaPEX is a type of PEX-based piping with a distinctive blue stripe, manufactured by Uponor. It was introduced to the US market in 2004 after gaining popularity in Europe. AquaPEX is made from polyethylene, which is extruded into a tube shape and then exposed to radiation to create cross-links between the molecular chains, making the polyethylene more rigid and heat resistant.
AquaPEX has been designed as an alternative to standard PEX tubing, with greater strength, enhanced durability, and improved performance capabilities. One of its key advantages is its enhanced resistance to chlorine and chloramines. This makes it a better choice for hot water lines and applications where there is a need to withstand higher temperatures and pressure surges.
Standard PEX tubing is also a flexible plastic piping used for water supply lines in residential and commercial plumbing systems. It is often preferred by professionals due to its flexibility, freezing resistance, easy connections, and price. PEX tubing is typically classified by its expansion method, with PEX-A, PEX-B, and PEX-C using different methods to achieve cross-linking.
While both AquaPEX and standard PEX offer quality options for flexible plastic plumbing pipes, the key difference lies in their performance characteristics. AquaPEX provides superior resistance to chlorine and chloramines, making it more suitable for specific applications. However, standard PEX may offer better long-term durability when exposed to alkalies and is more flexible, allowing for faster and simpler installations.
When selecting between AquaPEX and standard PEX, it is important to consider factors such as temperature, chemical resistance, cost, installation, durability, and flexibility, depending on the specific requirements of the project.
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It is rated for 200°F continuous exposure and up to 230°F for short periods
Aquapex is a type of PEX pipe with enhanced performance features. It is rated for continuous exposure to temperatures of up to 200°F (93.3°C) and can withstand short-term temperature exposure of up to 230°F. This higher heat resistance makes it a beneficial option for hot water lines.
The Uponor AquaPEX pipe has been in service since 1993 and is commonly used for plumbing applications. It is available in sizes ranging from 1/4 to 3 inches, offering flexibility in its applications. The pipe's thermal memory is a notable feature, enabling easy repair of kinks and imperfections by heating the affected area. This feature is exclusive to PEX-a pipes, including Uponor's AquaPEX and ProPEX pipes.
The Uponor AquaPEX pipe is colour-coded, with red pipes designated for hot-water potable plumbing, blue pipes for cold-water potable plumbing, and white pipes for both hot and cold plumbing. The red and blue pipes have a six-month UV resistance, while the white pipe offers a one-month UV resistance.
While Uponor AquaPEX pipes offer enhanced performance, they have been the subject of a class-action lawsuit. The lawsuit alleges that the pipes are prone to oxidation and can fail within three to ten years, resulting in leaks and property damage. The apparent defect is attributed to the manufacturing process, where exposure to oxygen during production leads to the formation of microcracks on the inside surface of the pipe.
Despite the lawsuit, Uponor AquaPEX pipes are covered by a 25-year transferable limited warranty. The pipes are also known for their freezing resistance, easy connections, and competitive pricing, making them a popular choice among professionals.
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A class-action lawsuit alleges that AquaPEX pipes can crack and leak within 3-10 years
A class-action lawsuit has been filed against Uponor, alleging that the company's AquaPEX pipes are defective and can crack and leak within 3 to 10 years of installation, causing significant issues for property owners. The lawsuit specifically targets the now-discontinued red, white, and blue polyethylene (PEX) pipes produced by the company.
The lawsuit claims that the Uponor AquaPEX pipes are made of polyethylene, which is vulnerable to oxidation. This oxidation results from a manufacturing defect where antioxidants are not uniformly mixed with the polyethylene, leading to areas of the polymer with less antioxidant protection. The oxidation causes the pipes to degrade prematurely, resulting in cracks and leaks. The lawsuit also attributes the issue to the fitting installation design system, which creates stress at the edge of the reinforcement rings, leading to cracking and leaks.
Thousands of pipe failures and resultant leaks have been reported to Uponor by installers and property owners, despite the company promoting the durability and reliability of its PEX piping, claiming it has a life expectancy of "well over 100 years". The lawsuit argues that consumers reasonably believed the AquaPEX piping system would function properly and would not have purchased and installed the pipes if they had known about the defect.
In response to the allegations, Uponor has denied any manufacturing defects and has not issued a recall or public statement regarding the alleged piping problems. The lawsuit seeks to represent individuals and entities that own property with Uponor PEX piping and aims to hold the company accountable for the alleged defects and resulting property damage.
It is important to note that PEX piping is still widely used and preferred by professionals for its flexibility, freezing resistance, easy connections, and price. However, recent studies have raised concerns about the safety of PEX piping for drinking water, as some chemicals have been found to leach into the water, potentially affecting its quality, taste, and odour.
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Frequently asked questions
Yes, Aquapex is a type of flexible plastic piping.
Aquapex is used for water supply lines in residential and commercial plumbing systems.
Aquapex is durable, cost-efficient, quick to install, and environmentally friendly. It also has enhanced performance capabilities beyond standard PEX tubing, including greater strength, chlorine resistance, and the ability to withstand pressure surges.
Some have criticized Aquapex for being prone to oxidation and causing leaks. A class-action lawsuit has been filed against the manufacturer, Uponor, claiming that the pipes can crack and leak within three to ten years of installation.























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