Does PEX Pipe Cause Cancer?

PEX (cross-linked polyethylene) pipe is a commonly used plumbing material known for its flexibility, durability, and resistance to corrosion. Concerns have been raised about the potential health risks associated with PEX pipes and their impact on cancer development. However, there is currently no scientific evidence to support the claim that PEX pipe causes cancer.

Several independent studies conducted by reputable organizations, such as the U.S. Environmental Protection Agency (EPA) and the National Institute of Standards and Technology (NIST), have evaluated the safety of PEX pipes. These studies have consistently concluded that PEX pipes pose no significant health risks, including cancer.

PEX pipes have been approved for use in drinking water systems by various regulatory bodies, including the NSF International and the American Society for Testing and Materials (ASTM). They are considered safe and are widely used in residential and commercial plumbing applications.

In summary, based on the current scientific understanding, PEX pipe does not cause cancer.

Understanding PEX Pipe

PEX pipe is a flexible plastic tubing commonly used in plumbing systems. It offers several advantages over traditional materials like copper or PVC. Here are key points to understand about PEX pipe:

Flexibility: PEX pipe is highly flexible, allowing for easy installation around obstacles and curves without the need for additional fittings.
Durability: PEX pipe is resistant to corrosion, scale, and freeze damage, making it a reliable option for both hot and cold water applications.
Cost-effective: PEX pipe is often more affordable than copper or PVC, and its flexibility can reduce installation time and labor costs.
Easy installation: PEX pipe can be installed using crimp or push-fit fittings, which require fewer tools and skills compared to traditional soldering or gluing methods.
Excellent water flow: PEX pipe has a smooth interior that promotes efficient water flow, reducing pressure loss and improving overall system performance.
Compatibility: PEX pipe can be used with various plumbing systems, including copper and PVC, using appropriate transition fittings.
Longevity: PEX pipe has a lifespan of 50 years or more, ensuring long-term reliability for residential and commercial plumbing applications.

Overall, PEX pipe offers a flexible, durable, cost-effective, and easy-to-install solution for modern plumbing needs.

What is PEX Pipe Made of?

PEX pipe is made of a flexible and durable material called cross-linked polyethylene. This material undergoes a process known as cross-linking, which enhances its strength and resistance to high temperatures and chemicals. The cross-linking can be achieved through different methods, such as Peroxide method, Silane method, or Electron beam method.

PEX pipes offer several advantages over traditional plumbing materials. They are resistant to scale and chlorine, reducing the risk of corrosion and extending their lifespan. PEX pipes are also highly flexible, allowing for easier installation and minimizing the need for additional fittings. The flexibility of PEX pipe makes it ideal for retrofitting existing plumbing systems.

In addition, PEX pipes have excellent insulation properties, reducing heat loss and improving energy efficiency. They are commonly used for hot and cold water distribution, as well as radiant heating systems. PEX pipes have gained popularity in the plumbing industry due to their durability, versatility, and ease of installation.

The Popularity of PEX Pipe

PEX pipe has gained immense popularity in recent years due to its numerous advantages and practical applications. Here are some key reasons why PEX pipe is highly regarded:

Versatility: PEX pipe can be used for various plumbing applications, including hot and cold water supply, radiant heating, and snow melting systems.
Ease of installation: PEX pipe is lightweight, flexible, and easy to install, requiring fewer connections compared to traditional plumbing systems. Its ability to bend around corners and obstacles simplifies the installation process.
Durability: PEX pipe is resistant to corrosion, scaling, and pitting, ensuring long-term performance and minimizing the risk of leaks and failures.
Cost-effective: PEX pipe is cost-effective both in terms of material and installation expenses. Its affordability, combined with its longevity, makes it an attractive choice for homeowners and contractors.
Energy efficiency: PEX pipe has excellent insulation properties, reducing heat loss and increasing energy efficiency in hot water distribution systems.
Freeze resistance: PEX pipe can expand and contract without bursting, making it highly resistant to freezing temperatures.
Safe and reliable: PEX pipe is approved for potable water systems and meets rigorous industry standards for safety and reliability.

In summary, the increasing popularity of PEX pipe can be attributed to its versatility, ease of installation, durability, cost-effectiveness, energy efficiency, freeze resistance, and overall reliability.

The Safety Concern: Does PEX Pipe Cause Cancer?

PEX (cross-linked polyethylene) pipe has been extensively used in residential and commercial plumbing systems due to its flexibility, durability, and cost-effectiveness. However, concerns have been raised about its potential link to cancer.

Multiple scientific studies and regulatory bodies have evaluated the safety of PEX pipe and concluded that it does not cause cancer. Here are the key points:

National and international health agencies, such as the U.S. Environmental Protection Agency (EPA), the World Health Organization (WHO), and Health Canada, have conducted comprehensive reviews and found no evidence to suggest that PEX pipe poses a cancer risk.
Long-term studies examining the effects of PEX pipe on human health have consistently shown no increased cancer risk associated with its use.
PEX pipe is manufactured using non-toxic materials, and it does not contain harmful substances like lead or phthalates, which are known to be associated with certain cancers.
PEX pipe is approved for use in potable water systems by various regulatory agencies, including the NSF International and the American National Standards Institute (ANSI).

Considering the extensive research and regulatory scrutiny, PEX pipe can be confidently regarded as a safe and reliable choice for plumbing installations.

PEX Pipe and Drinking Water

PEX (cross-linked polyethylene) pipe is commonly used in residential plumbing systems due to its flexibility, durability, and ease of installation. It is approved for use with drinking water in many countries, including the United States. Here are some key points to consider:

Safety: PEX pipes are safe for carrying drinking water. They do not leach harmful chemicals into the water and are non-toxic.
Corrosion resistance: PEX pipes do not corrode or develop scale buildup over time, ensuring the quality and taste of the water remain unaffected.
Flexibility: PEX pipes are highly flexible, making them ideal for retrofitting or situations where bending around obstacles is required.
Reduced fittings: PEX pipes can be installed in long, continuous runs with fewer connections, reducing the chances of leaks and improving water flow.
Insulation: PEX pipes have good insulation properties, helping to prevent heat loss and maintain water temperature.
Longevity: PEX pipes have a lifespan of 40-50 years, providing reliable performance over an extended period.

Overall, PEX pipes are a reliable choice for transporting drinking water, offering numerous benefits for residential plumbing systems.

PEX Pipe Installation Process

The PEX pipe installation involves several key steps to ensure a successful and efficient process:

Planning: Assess the layout and design of the plumbing system to determine the length and type of PEX pipes required.
Preparation: Turn off the water supply and drain the existing pipes. Remove any obstructions or debris from the installation area.
Cutting and Fitting: Measure and cut the PEX pipes to the desired lengths using a PEX pipe cutter. Use appropriate fittings, such as crimp or push-to-connect fittings, to connect the pipes at the desired locations.
Securing and Supporting: Secure the PEX pipes to the framing or other support structures using pipe clips or straps. Maintain proper spacing and avoid sharp bends or kinks.
Crimping or Expansion: If using crimp fittings, use a crimping tool to create a secure connection. Alternatively, if using expansion fittings, use an expansion tool to expand the PEX pipe and create a tight seal.
Pressure Testing: After installation, conduct a pressure test to check for leaks. Pressurize the system and inspect all connections and joints for any signs of leakage.
Insulation: Insulate the PEX pipes to prevent heat loss or freezing in cold environments. Use appropriate insulation materials, such as foam sleeves or wraps.
Final Checks: Once the installation is complete, turn on the water supply and check for any leaks or issues. Monitor the system for a period of time to ensure its proper functioning.

By following these steps, a PEX pipe installation can be carried out smoothly and effectively, providing a reliable and durable plumbing system.

PEX Pipe vs. Copper Pipe: A Comparison

PEX Pipe vs. Copper Pipe: A Comparison

PEX (cross-linked polyethylene) and copper pipes are two popular options for plumbing systems. Here’s a brief comparison of the two:

1. Cost: PEX pipes are generally more affordable than copper pipes, making them a budget-friendly choice for many homeowners.

2. Installation: PEX pipes are easier and quicker to install than copper pipes. They require fewer fittings, as they can be bent around obstacles, reducing the need for joints and potential leakage points.

3. Durability: Copper pipes have a long-standing reputation for durability and can last for decades. PEX pipes are also highly durable and resistant to corrosion, scaling, and freezing, ensuring a longer lifespan.

4. Flexibility: PEX pipes are highly flexible, allowing for easy installation in tight spaces. Copper pipes, on the other hand, are rigid and may require more complex installation methods.

5. Heat Resistance: Copper pipes have excellent heat resistance and are suitable for both hot and cold water systems. PEX pipes are also heat resistant but may have limitations in high-temperature applications.

6. Water Flow: PEX pipes have a smoother interior surface, reducing friction and improving water flow. Copper pipes can develop corrosion and mineral buildup over time, potentially impacting water flow.

In summary, both PEX and copper pipes have their advantages. PEX pipes offer affordability, ease of installation, and flexibility, while copper pipes provide durability, heat resistance, and long-term reliability. Ultimately, the choice depends on individual needs, budget, and the specific requirements of the plumbing project.

Potential Health Risks Associated with PEX Pipe

PEX (cross-linked polyethylene) pipe is widely used in plumbing systems due to its flexibility, durability, and cost-effectiveness. While generally considered safe, there are some potential health risks associated with PEX pipe. Here are a few important points to consider:

Chemical leaching: PEX pipes may release small amounts of chemicals, such as methyl tertiary butyl ether (MTBE), benzene, and toluene, into the water supply. However, these levels are typically below the maximum allowed limits set by regulatory agencies.
Chlorine resistance: PEX pipes can be sensitive to high levels of chlorine, which may cause them to degrade over time. To mitigate this risk, it is important to ensure proper water treatment and avoid exposing PEX pipes to excessive chlorine concentrations.
Installation concerns: Poorly installed PEX pipes can lead to problems such as microbial growth, water contamination, and pressure loss. It is crucial to follow manufacturer guidelines and employ trained professionals for installation.
UV degradation: PEX pipes are vulnerable to UV degradation when exposed to direct sunlight. To prevent this, it is necessary to protect the pipes from prolonged UV exposure, either by burying them or using UV-resistant coatings.

Overall, while PEX pipes offer numerous benefits, it is important to be aware of these potential health risks and take appropriate measures to mitigate them. Regular monitoring, proper installation, and adherence to industry standards can help ensure the safe use of PEX plumbing systems.

Chemicals Used in PEX Pipe Manufacturing

PEX (cross-linked polyethylene) pipes are commonly used in plumbing systems due to their flexibility and durability. During the manufacturing process, several chemicals are utilized to create the PEX material. These chemicals play a crucial role in the cross-linking process, which gives PEX its desirable properties. Some of the key components include:

Polyethylene: The primary raw material used in PEX production, polyethylene is a thermoplastic polymer.
Peroxide: Often used as a cross-linking agent, peroxide initiates the cross-linking reaction in the polymer chains.
Stabilizers: These additives help prevent degradation and maintain the integrity of the PEX material during processing and service life.
Colorants: Depending on the application and customer preferences, colorants may be added to PEX pipes to provide visual distinction.
Antioxidants: These substances are incorporated to inhibit the oxidation process, ensuring the longevity of PEX pipes.

The combination and proportions of these chemicals may vary among manufacturers, but they are crucial in producing high-quality PEX pipes for various plumbing applications.

PEX Pipe and BPA Contamination

PEX pipes, commonly used in plumbing systems, have raised concerns regarding BPA (bisphenol A) contamination. BPA is a chemical compound found in some plastics that can potentially leach into water. However, it is crucial to note that PEX pipes themselves do not contain BPA. The concerns arise from the possibility of BPA contamination occurring from external sources, such as fittings or fixtures, that come into contact with the water flowing through the PEX pipes.

To mitigate the risk of BPA contamination, several measures can be taken:

Choose certified PEX products: Look for PEX pipes and fittings that are certified to meet relevant industry standards, such as NSF/ANSI Standard 61, which ensures they are free from harmful substances.
Avoid high temperatures: PEX pipes should not be exposed to extreme heat, as it can potentially cause the release of chemicals, including BPA, from other materials in the plumbing system.
Regularly flush the system: Flushing the water system can help remove any potential contaminants that may have entered the plumbing system.

By following these precautions, the risk of BPA contamination from PEX pipes can be minimized, ensuring the safety and integrity of your plumbing system.

Studies on PEX Pipe Safety

PEX pipe safety has been extensively studied to evaluate its suitability for various applications. These studies have provided valuable insights into the performance and potential risks associated with PEX pipes. Key findings include:

Chemical leaching: Research has shown that PEX pipes can release trace amounts of chemicals, such as antioxidants and stabilizers, into the water supply. However, the concentrations detected are generally within acceptable limits set by regulatory bodies.
Microbial growth: PEX pipes are resistant to microbial growth due to their smooth surfaces and impermeability. This property helps maintain water quality and reduces the risk of biofilm formation.
Durability: Studies have demonstrated that PEX pipes exhibit excellent resistance to corrosion, scaling, and freeze-thaw cycles. They have a long service life and are less prone to failure compared to traditional metal pipes.
Installation practices: Proper installation techniques are crucial for ensuring PEX pipe safety. Studies emphasize the importance of adequate support, appropriate fittings, and correct expansion/contraction allowances to prevent leaks and maintain structural integrity.

PEX Pipe and Leaching of Chemicals

PEX pipe is a popular choice for plumbing systems due to its flexibility, durability, and ease of installation. However, concerns have been raised regarding the potential leaching of chemicals from PEX pipes into the water supply. Studies have shown that PEX pipes can release certain substances, such as methyl tertiary butyl ether (MTBE) and t-butanol, which are byproducts of the manufacturing process. These substances can cause an unpleasant taste and odor in the water.

To mitigate the risk of chemical leaching, it is recommended to:

Flush the pipes: Run the water for a few minutes before using it for drinking or cooking to clear any stagnant water and potential chemical buildup.
Use cold water: Hot water can cause higher chemical release, so it is advisable to use cold water for drinking and cooking purposes.
Choose certified products: Look for PEX pipes that have been certified for drinking water applications to ensure they meet safety standards.

Overall, while the leaching of chemicals from PEX pipes is a concern, proper installation, regular flushing, and using certified products can help minimize any potential risks.

PEX Pipe and the Release of VOCs

PEX pipe, a popular choice for plumbing applications, is generally considered safe and widely used due to its numerous benefits. However, concerns have been raised regarding the potential release of Volatile Organic Compounds (VOCs) from PEX pipes. VOCs are organic chemicals that can vaporize and enter the surrounding air, potentially causing health and environmental issues.

Here are some key points to consider:

Regulations and Standards: PEX pipe manufacturers are required to comply with strict regulations and industry standards to minimize VOC emissions. These standards ensure that PEX pipes meet specific safety criteria.
Testing and Certification: Reputable manufacturers subject their PEX pipes to rigorous testing and certification processes. This includes evaluating the material’s VOC emissions to ensure they are within acceptable limits.
Installation Best Practices: Proper installation techniques, such as adequate ventilation during installation and avoiding excessive heat exposure, can further mitigate the potential release of VOCs.
Comparative Safety: When compared to traditional plumbing materials like copper or PVC, PEX pipe generally demonstrates lower levels of VOC emissions.
Personal Sensitivities: Individuals with specific sensitivities or health conditions may still want to consult with a professional or their healthcare provider to address any concerns about VOCs.

It is important to note that PEX pipe is widely used in residential and commercial applications without significant reports of adverse health effects. Nonetheless, it is always advisable to choose reputable manufacturers and follow recommended installation practices to minimize any potential risks.

Regulatory Standards for PEX Pipe

PEX pipes are subject to stringent regulatory standards to ensure their safety and performance. Here are some key aspects of the regulatory standards governing PEX pipe:

ASTM F876 and F877: These are the main ASTM standards for PEX tubing, covering general requirements and performance characteristics.
NSF/ANSI Standard 14: This standard sets the criteria for evaluating plastic piping systems, including PEX, for use in potable water distribution.
NSF/ANSI Standard 61: This standard ensures that PEX pipes and fittings do not leach harmful substances into drinking water.
ICC-ES PMG Listing: PEX pipes may undergo testing and certification by the International Code Council Evaluation Service to verify compliance with plumbing codes.
State and local regulations: PEX pipes must meet specific requirements set by state or local authorities, such as pressure and temperature ratings, installation guidelines, and permitted uses.

It is crucial to adhere to these regulatory standards to ensure the reliability, durability, and safety of PEX pipe installations.

The Debate Over PEX Pipe Safety

PEX pipe safety has been a topic of debate in recent years. PEX (cross-linked polyethylene) pipes are widely used in residential plumbing due to their flexibility, durability, and cost-effectiveness. However, concerns have been raised regarding their potential health and environmental impacts.

Here are key points from both sides of the debate:

Proponents argue that PEX pipes are safe and have been approved for use by regulatory bodies. They highlight that PEX pipes do not corrode, are resistant to scale buildup, and have fewer joints, reducing the risk of leaks. Proponents also emphasize that PEX pipes are less likely to burst in freezing temperatures compared to traditional materials.
Critics raise concerns about the chemicals used in the manufacturing process and their potential leaching into the water supply. They argue that these chemicals may have adverse health effects, such as endocrine disruption. Critics also point out that PEX pipes may be more prone to damage from UV exposure, limiting their outdoor applications.

Overall, while PEX pipes offer benefits in terms of installation and performance, ongoing research and monitoring are necessary to address any potential health and environmental concerns.

Health Effects of Long-Term PEX Pipe Exposure

PEX pipes, which are commonly used in plumbing systems, have been extensively studied for their potential health effects due to long-term exposure. Several key findings have emerged from the research:

Water quality: PEX pipes have been shown to maintain water quality and integrity over time, with minimal leaching of harmful substances into the water supply.
Chemical safety: PEX pipes are resistant to corrosion and do not release toxic chemicals, such as lead or cadmium, into the water.
Bacterial growth: PEX pipes discourage bacterial growth, minimizing the risk of waterborne illnesses.
Allergenic potential: While rare, some individuals may experience allergic reactions to components used in PEX pipe production, such as antioxidants or lubricants. However, such cases are infrequent.

PEX Pipe and Water Quality

PEX pipe is a popular choice for plumbing systems due to its flexibility, durability, and ease of installation. When it comes to water quality, PEX pipe has several advantages:

Corrosion resistance: PEX pipe is highly resistant to corrosion, which helps maintain the quality of the water flowing through it.
Chemical leaching: PEX pipe has been extensively tested for chemical leaching, and it has been found to have minimal impact on water quality. It does not add harmful substances, such as lead or other heavy metals, to the water.
Reduced scale buildup: PEX pipe has a smooth interior surface, which helps prevent scale buildup that can affect water quality and reduce flow rates.
Resistance to chlorine and other chemicals: PEX pipe is resistant to chlorine and other common household chemicals, ensuring that the water remains free from chemical contaminants.

PEX Pipe and Its Impact on Indoor Air Quality

PEX pipe is a widely used plumbing material known for its durability and flexibility. It has gained popularity due to its ease of installation and cost-effectiveness. However, it is important to consider its potential impact on indoor air quality. Here are some key points to note:

Volatile organic compounds (VOCs): PEX pipes can release small amounts of VOCs, which may affect indoor air quality. These compounds, such as toluene and benzene, can contribute to respiratory issues and other health concerns.
Chlorinated water: PEX pipes are susceptible to leaching chemicals from chlorinated water, which can affect both the taste and odor of the water. While the health risks are generally minimal, some individuals may be more sensitive to these compounds.
Installation and maintenance: Proper installation and maintenance of PEX pipes are crucial to minimize any potential negative impact on indoor air quality. Following manufacturer guidelines and ensuring proper ventilation during installation can help mitigate issues.
Regular testing and monitoring: Periodic testing of the water quality and air quality in buildings with PEX plumbing systems is recommended to ensure any potential issues are promptly addressed.

It is important to consult professionals and consider individual sensitivities when choosing plumbing materials to maintain good indoor air quality.

Alternatives to PEX Pipe

Copper pipe, CPVC (Chlorinated Polyvinyl Chloride), and PVC (Polyvinyl Chloride) are popular alternatives to PEX pipe.

Copper pipe has been used for decades and is known for its durability and resistance to high temperatures. It is commonly used for water supply lines, but it can be more expensive and time-consuming to install compared to PEX.

CPVC is a thermoplastic pipe that is often used for hot and cold water distribution. It is relatively easy to install, cost-effective, and resistant to corrosion. However, it may not be suitable for high-temperature applications.

PVC pipe is commonly used for drainage and waste systems. It is affordable, lightweight, and easy to install. However, it is not recommended for hot water lines as it may warp or melt at higher temperatures.

Other alternatives to PEX pipe include galvanized steel and polypropylene (PP) pipe. Galvanized steel pipes are durable but may be prone to rust over time. PP pipes are versatile, affordable, and resistant to chemicals, making them suitable for a wide range of applications.

Expert Recommendations on PEX Pipe Safety

PEX Pipe Safety Recommendations:

Ensure proper installation: Hire a professional plumber who is experienced in working with PEX pipes to ensure correct installation and minimize the risk of leaks or damage.
Follow manufacturer guidelines: Adhere to the specific instructions provided by the manufacturer for the appropriate use and installation of PEX pipes.
Avoid exposure to UV rays: PEX pipes should be protected from direct sunlight or UV exposure by covering them or using UV-resistant insulation.
Maintain proper water temperature: Avoid using excessively hot water, as it can potentially degrade the PEX pipes over time.
Prevent freezing: Insulate PEX pipes located in areas prone to freezing to prevent them from bursting.
Regularly inspect for damage: Check PEX pipes periodically for signs of wear, leaks, or damage, and promptly address any issues.
Use approved fittings and connectors: Ensure that only compatible fittings and connectors recommended by the manufacturer are used with PEX pipes.
Consider local building codes: Familiarize yourself with local building codes and regulations regarding the use and installation of PEX pipes to ensure compliance.

Remember, while PEX pipes offer numerous benefits, following these safety recommendations will help maintain their longevity and prevent potential issues.

Conclusion: Weighing the Risks and Benefits of PEX Pipe

PEX pipe offers several advantages, making it a popular choice for plumbing systems. The benefits include:

Durability: PEX pipe is resistant to corrosion and scale buildup, ensuring a longer lifespan compared to traditional piping materials like copper.
Flexibility: Its flexibility allows for easier installation, reducing the need for joints and fittings, which can minimize the risk of leaks.
Cost-effective: PEX pipe is generally more affordable than copper piping, making it a cost-effective option for plumbing projects.
Energy efficiency: PEX pipe has excellent insulation properties, reducing heat loss and improving energy efficiency.
Fewer potential health risks: PEX pipe doesn’t require soldering, reducing the exposure to harmful chemicals like lead.

However, it is important to consider some potential risks:

Long-term durability: PEX pipe may be susceptible to damage from UV exposure, and its long-term performance is still being studied.
Installation concerns: Improper installation techniques can lead to leaks, so it’s crucial to hire experienced professionals.
Compatibility: PEX pipe may not be compatible with certain chemicals, so it’s important to verify compatibility before use.

Conclusion

In conclusion, based on the available scientific evidence and expert opinions, there is no conclusive link between PEX pipe and cancer. Numerous studies have been conducted to evaluate the safety of PEX pipe in relation to human health, and the results have consistently shown that PEX pipe is a safe and reliable plumbing material.

Key findings supporting the safety of PEX pipe include:

Compliance with rigorous standards: PEX pipe manufacturers adhere to strict quality control measures and comply with established industry standards to ensure the safety of their products.
Extensive testing: PEX pipe has undergone extensive testing, including studies on its chemical composition, leaching potential, and long-term durability. These studies have consistently shown that PEX pipe does not pose a significant health risk.
Approval by regulatory bodies: PEX pipe has been approved for use by reputable regulatory agencies, such as the NSF International and the U.S. Environmental Protection Agency (EPA), further affirming its safety.

While concerns about PEX pipe and cancer have been raised, the overall scientific consensus indicates that PEX pipe is a safe and viable option for plumbing systems.

Frequently Asked Questions

Q: Does PEX pipe cause cancer?

A: No, PEX pipe does not cause cancer. It is a safe and approved material for plumbing systems.

Q: What is PEX pipe made of?

A: PEX pipe is made of cross-linked polyethylene, a durable and flexible plastic material.

Q: Is PEX pipe approved for use in plumbing systems?

A: Yes, PEX pipe is approved for use in plumbing systems by various building codes and standards organizations.

Q: Can PEX pipe affect the taste or odor of water?

A: PEX pipe is known for its resistance to corrosion and scaling, which helps maintain the taste and odor of water.

Q: Are there any potential health risks associated with PEX pipe?

A: PEX pipe is considered safe for use in plumbing systems, and there are no known health risks associated with its use.

Ralph D. Moniz

Greetings! I’m Ralph D. Moniz, your reliable PEX plumbing service provider. Stay updated on all things plumbing by exploring my PEX System blog. Just search “PEX System” on popular search engines like Google or Yahoo. Need assistance? Contact me at https://pexsystem.com/contact/.