PEX (cross-linked polyethylene) is generally considered to be more durable than copper piping. Here’s why:
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Resistance to corrosion: Unlike copper, PEX pipes do not corrode or develop mineral deposits over time, ensuring a longer lifespan and maintaining water quality.
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Flexibility: PEX is highly flexible, allowing for easier installation in tight spaces and reducing the need for fittings and joints, which are potential sources of leaks.
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Resistance to freezing: PEX has greater resistance to freezing and bursting compared to copper pipes. Its flexibility allows it to expand and contract, minimizing the risk of damage during temperature fluctuations.
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Lower risk of pinhole leaks: Copper pipes can develop pinhole leaks due to corrosion or acidic water, whereas PEX is resistant to such issues, reducing the likelihood of leaks and subsequent water damage.
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Chemical resistance: PEX pipes are resistant to chemicals found in soil and water, making them suitable for various applications, including underground installations.
Overall, PEX offers enhanced durability, longevity, and reliability, making it a preferred choice for many plumbing systems.
Longevity of PEX versus Copper
PEX (cross-linked polyethylene) and copper are two common materials used in plumbing systems. Here are some key points comparing their longevity:
- PEX is known for its durability and resistance to corrosion, making it less likely to develop leaks or pinholes over time. It also has fewer joints, reducing the risk of potential failure points.
- Copper has been used for plumbing for decades and has a long track record of reliability. It is resistant to high temperatures and can withstand extreme conditions. However, copper pipes can corrode over time, leading to leaks and reduced lifespan.
- PEX is relatively new compared to copper, so its long-term performance is still being observed. However, it has been tested and certified to meet stringent standards for durability and longevity.
- Both materials have warranties from manufacturers that reflect their expected lifespan. Copper typically has a longer warranty period than PEX.
- Proper installation and regular maintenance play crucial roles in maximizing the lifespan of both PEX and copper plumbing systems.
Resistance to corrosion: PEX versus Copper
PEX (cross-linked polyethylene) and copper are two common materials used in plumbing systems, and they differ in their resistance to corrosion. Here are the key points:
PEX:
1. PEX pipes are highly resistant to corrosion, which is one of their major advantages.
2. They do not react with water or chemicals, minimizing the risk of pipe deterioration.
3. PEX is immune to pitting, scaling, and corrosion caused by harsh water conditions.
4. It does not require additional coatings or linings for protection against corrosion.
5. PEX pipes have a longer lifespan and are less likely to develop leaks due to corrosion.
Copper:
1. Copper pipes are also known for their corrosion resistance, although they are not entirely immune.
2. Copper can withstand aggressive water conditions and has a long history of reliable performance.
3. The natural protective oxide layer that forms on copper prevents corrosion to a great extent.
4. However, certain factors like pH levels, water chemistry, and high-velocity water flow can affect copper’s corrosion resistance.
In summary, both PEX and copper pipes have commendable resistance to corrosion, but PEX pipes have an edge with their superior corrosion resistance and extended lifespan.
Durability of PEX pipes compared to Copper pipes
PEX pipes are known for their impressive durability when compared to copper pipes. Here are some key points to consider:
- Resistance to corrosion: Unlike copper pipes, PEX pipes are highly resistant to corrosion. This eliminates the risk of pipe deterioration over time, leading to a longer lifespan.
- Flexibility: PEX pipes are flexible and can expand and contract without cracking, making them less prone to damage from freezing temperatures or earthquakes.
- Fewer joints: PEX pipes can be installed with fewer joints compared to copper pipes, reducing the potential for leaks or failures at connection points.
- Chemical resistance: PEX pipes have excellent chemical resistance, making them suitable for various plumbing applications and reducing the risk of chemical damage.
- Lower cost: PEX pipes are generally less expensive than copper pipes, providing a cost-effective solution without compromising durability.
Overall, PEX pipes offer an excellent alternative to copper pipes, delivering durability, flexibility, and cost savings in plumbing systems.
PEX and Copper: Which material holds up better over time?
Both PEX (cross-linked polyethylene) and copper are popular materials used for plumbing systems. While both materials have their advantages, they also have different properties that can affect their longevity.
Here are some key points to consider:
- PEX:
- Advantages: PEX is flexible, making it easier to install, especially in tight spaces. It is resistant to corrosion and scale buildup. PEX also has better freeze resistance compared to copper.
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Considerations: PEX can be affected by UV exposure, so it should be protected when used outdoors. It may also have a shorter lifespan in areas with high chlorine levels or acidic water.
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Copper:
- Advantages: Copper is a durable and time-tested material with a long lifespan. It is resistant to high temperatures, making it suitable for hot water applications. Copper is also not affected by UV exposure.
- Considerations: Copper can corrode over time, especially in areas with aggressive water conditions or high mineral content. It may require soldering for installation, which can be more labor-intensive.
Impact of water quality on the durability of PEX and Copper
Water quality plays a crucial role in determining the durability of PEX (cross-linked polyethylene) and copper plumbing systems. Here are some key impacts:
- Corrosion: High levels of acidity or alkalinity in water can corrode copper pipes over time. PEX is generally resistant to corrosion, making it a better choice in such cases.
- Scaling: Water with high mineral content can lead to scaling in both PEX and copper pipes. However, copper is more susceptible to scaling, which can restrict water flow and reduce pipe lifespan.
- Chlorine: Elevated levels of chlorine in water can degrade PEX pipes. It’s important to ensure the PEX used is compatible with the chlorine levels present.
- Chemical reactions: Certain chemicals or contaminants present in water can react with either PEX or copper, potentially causing deterioration or damage to the pipes.
- Microorganisms: Bacterial growth can occur in both PEX and copper systems if water conditions are conducive. Proper disinfection and maintenance are crucial to mitigate this risk.
In summary, understanding water quality is essential when choosing between PEX and copper, as it can significantly impact their long-term durability and performance.
Environmental factors affecting the lifespan of PEX and Copper pipes
PEX and copper pipes are influenced by various environmental factors that can impact their lifespan:
- Water quality: Corrosive or acidic water can deteriorate both PEX and copper pipes over time, leading to leaks and reduced lifespan.
- Temperature fluctuations: Extreme temperature changes can cause expansion and contraction of pipes, potentially leading to stress and damage, particularly for PEX pipes.
- UV exposure: PEX pipes are susceptible to degradation when exposed to direct sunlight or UV radiation. Shielding or burying them can protect against UV damage.
- Chemical exposure: Certain chemicals present in the environment, such as solvents or pesticides, can negatively affect both PEX and copper pipes, leading to degradation and reduced lifespan.
- Soil conditions: Soil with high acidity or alkalinity can corrode copper pipes, while sharp rocks or debris in the soil can cause abrasion and damage to PEX pipes.
- Water pressure: Excessive water pressure can strain both PEX and copper pipes, leading to stress, leaks, and a shorter lifespan.
Regular maintenance and appropriate installation practices can help mitigate the impact of these environmental factors, ensuring the longevity of both PEX and copper pipes.
PEX versus Copper: Which material is more resistant to leaks?
PEX (cross-linked polyethylene) and copper are both popular materials used in plumbing systems. When it comes to leak resistance, PEX generally has the advantage. Here’s why:
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Flexibility: PEX pipes are highly flexible, allowing for fewer joints and fittings. This reduces the chances of leaks at connection points, which are common sources of leaks in copper systems.
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Corrosion resistance: Unlike copper, PEX does not corrode or develop pinhole leaks over time. It is highly resistant to chemicals, minerals, and oxidation, ensuring long-lasting performance.
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Freeze resistance: PEX pipes are more resistant to freezing compared to copper, as they can expand and contract without bursting. This helps prevent leaks caused by frozen water expanding inside the pipes.
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Affordability: PEX is generally more cost-effective than copper, making it an attractive option for plumbing installations.
While copper has its own merits, such as its durability and heat resistance, PEX’s superior leak resistance makes it a preferred choice for many residential and commercial plumbing applications.
Comparing the wear and tear of PEX and Copper pipes
PEX (cross-linked polyethylene) and copper pipes are two commonly used materials for plumbing systems. Here is a comparison of the wear and tear characteristics of these pipes:
PEX pipes:
– PEX pipes are known for their flexibility, which makes them resistant to cracking in freezing temperatures.
– They have a smooth interior surface, reducing the risk of corrosion and buildup of mineral deposits.
– PEX pipes are highly resistant to acidic or alkaline water conditions.
– They are less prone to bursting under high pressure or impact compared to copper pipes.
– PEX pipes have fewer joints due to their flexibility, reducing the chances of leaks.
Copper pipes:
– Copper pipes have a long-standing reputation for durability and strength.
– They can withstand high temperatures, making them suitable for both hot and cold water systems.
– Copper pipes are less likely to be damaged by ultraviolet (UV) rays and chemicals.
– They have excellent resistance to fire and can withstand flames better than PEX pipes.
– Copper pipes can last for several decades when installed and maintained properly.
In summary, PEX pipes offer flexibility, resistance to freezing, and fewer joints, while copper pipes provide durability, high-temperature tolerance, and fire resistance. The choice between the two depends on factors such as budget, local building codes, and personal preferences.
PEX and Copper: Which material is more prone to damage?
PEX and copper are both widely used materials for plumbing systems, but they have different characteristics when it comes to durability and susceptibility to damage.
PEX, which stands for cross-linked polyethylene, is known for its flexibility and resistance to freezing temperatures. It is less prone to burst or crack when exposed to extreme cold, making it a suitable choice for colder climates. However, PEX can be damaged by exposure to direct sunlight or certain chemicals, so it should not be used outdoors or in areas where it may come into contact with harsh substances.
Copper is a durable material that has been used in plumbing for decades. It is resistant to corrosion and can withstand high temperatures, making it ideal for hot water applications. However, copper pipes can be susceptible to damage from freezing temperatures, as they may expand and contract, leading to leaks or bursts.
In summary, while PEX is more resistant to freezing and easier to install due to its flexibility, copper is generally more durable and better suited for hot water applications. The choice between the two materials ultimately depends on the specific needs and conditions of the plumbing system.
Maintenance requirements for PEX versus Copper pipes
PEX pipes have lower maintenance requirements compared to copper pipes. Here are the key points:
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Resistance to corrosion: PEX pipes are highly resistant to corrosion, unlike copper pipes, which can develop corrosion over time. This eliminates the need for regular inspections and maintenance to prevent leaks caused by corrosion.
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Flexibility and fewer joints: PEX pipes are highly flexible, allowing for easy installation with fewer joints. This reduces the risk of leaks at connection points, minimizing the need for maintenance or repairs.
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Scale and mineral buildup: PEX pipes have a smooth interior surface that resists scale and mineral buildup. In contrast, copper pipes are susceptible to scaling, which can restrict water flow and lead to maintenance issues.
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Freeze resistance: PEX pipes have the ability to expand without bursting when exposed to freezing temperatures. Copper pipes are more prone to cracking or bursting in extreme cold, requiring maintenance or replacement.
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Longevity: Both PEX and copper pipes have long lifespans, but PEX pipes are known for their durability and resistance to degradation over time, reducing the need for maintenance or replacement.
In summary, PEX pipes offer lower maintenance requirements due to their resistance to corrosion, flexibility, reduced joints, resistance to scale buildup, freeze resistance, and long-term durability.
The effect of temperature on the durability of PEX and Copper
Both PEX and copper are commonly used materials in plumbing systems, but they exhibit different responses to temperature variations.
PEX (cross-linked polyethylene) is known for its excellent resistance to freezing temperatures, making it highly durable in cold climates. PEX pipes can expand and contract without cracking, which reduces the risk of damage caused by freezing water.
However, PEX pipes can be sensitive to high temperatures. Prolonged exposure to hot water can cause the material to degrade, leading to reduced durability and potential leaks. Therefore, it is important to adhere to manufacturer guidelines regarding temperature limits when using PEX pipes.
Copper pipes, on the other hand, are known for their heat resistance. Copper can withstand high temperatures without significant degradation, making it suitable for hot water applications. Additionally, copper pipes have a long lifespan and are resistant to corrosion, enhancing their durability.
In summary, while PEX pipes excel in cold temperature durability, they require caution when exposed to high temperatures. Copper pipes, on the other hand, exhibit excellent durability in both hot and cold environments.
PEX versus Copper: Which material is more suitable for high-temperature applications?
PEX (cross-linked polyethylene) and copper are both popular materials used in plumbing systems, but their suitability for high-temperature applications differs. Here’s a comparison:
PEX:
1. PEX pipes are known for their excellent resistance to freezing temperatures and are commonly used in cold-water plumbing applications.
2. PEX can withstand temperatures up to 200°F (93°C) under normal operating conditions, making it suitable for hot water distribution.
3. However, PEX may degrade over time when exposed to higher temperatures, especially above 180°F (82°C), reducing its longevity and performance.
4. PEX is more flexible and easier to install than copper, making it ideal for retrofitting or areas with complex layouts.
Copper:
1. Copper pipes have been used for centuries due to their durability and heat resistance.
2. Copper can handle high temperatures up to 400°F (204°C) without any significant degradation or loss of performance.
3. Copper is an excellent choice for hot water systems, radiant heating, and other high-temperature applications.
4. However, copper pipes can be more expensive and require soldering or brazing during installation, making them less convenient for some projects.
Comparing the impact of freezing and thawing on PEX and Copper pipes
Freezing and thawing can have different impacts on PEX (cross-linked polyethylene) and Copper pipes. Here are some key considerations:
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PEX pipes: PEX has a higher tolerance for freezing compared to copper. It is more flexible and can expand to accommodate the expanding ice during freezing, reducing the risk of bursting. However, if the water inside PEX pipes freezes completely, it can still cause damage over time due to expansion and contraction.
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Copper pipes: Copper is less flexible than PEX and more prone to bursting when water inside freezes. The pressure buildup from freezing can cause the pipes to crack or rupture, leading to leaks and water damage. Thawing copper pipes too quickly or using open flames can also damage them due to rapid expansion.
To prevent damage from freezing and thawing, some preventive measures include insulating pipes, maintaining adequate heating, allowing faucets to drip during freezing conditions, and using heat tape or warm water to thaw frozen pipes slowly and safely. Regular inspections and prompt repairs are crucial to ensure the longevity of both PEX and copper piping systems.
PEX and Copper: Which material is more resistant to chemical degradation?
Copper is more resistant to chemical degradation compared to PEX (cross-linked polyethylene). While PEX is known for its excellent resistance to corrosion, it can be affected by certain chemicals over time. On the other hand, copper has a higher tolerance to various chemicals, making it a durable option in many applications. Here are some key points regarding their chemical resistance:
PEX:
1. Resistant to scaling and corrosion caused by hard water minerals.
2. Generally unaffected by most household chemicals and chlorine.
3. Susceptible to degradation when exposed to certain solvents, such as acetone and paint thinners.
4. Not recommended for use with petroleum-based products or aggressive chemicals.
Copper:
1. Highly resistant to corrosion and degradation caused by water and moisture.
2. Compatible with a wide range of chemicals, including solvents, acids, and bases.
3. Suitable for applications involving petroleum-based products and aggressive chemicals.
4. Copper pipes can develop a protective oxide layer that enhances their chemical resistance over time.
In summary, while both materials have their merits, copper exhibits greater resistance to chemical degradation, making it a preferred choice in environments where exposure to various chemicals is a concern.
The influence of UV exposure on PEX and Copper pipes
UV exposure can have different effects on PEX and Copper pipes:
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PEX pipes are more resistant to UV radiation compared to copper pipes due to their composition. However, long-term exposure to UV rays can still cause some degradation in PEX pipes, leading to potential issues such as:
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Loss of flexibility and increased brittleness over time.
- Discoloration and fading of the outer surface.
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Reduced overall lifespan and increased risk of failure.
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Copper pipes are not as susceptible to direct UV damage since copper is naturally resistant to ultraviolet radiation. However, indirect exposure to UV rays can still impact copper pipes by:
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Heating the water inside the pipes, potentially leading to increased temperatures and affecting the overall performance of the plumbing system.
- Accelerating the corrosion process in any exposed fittings or joints, which may weaken the pipe connections.
To mitigate the effects of UV exposure on both PEX and Copper pipes, it is recommended to use appropriate insulation, pipe covers, or paint coatings that provide UV protection. Regular inspections and maintenance are also crucial to identify and address any potential issues promptly.
PEX versus Copper: Which material is less likely to develop pinhole leaks?
PEX (cross-linked polyethylene) is generally considered less likely to develop pinhole leaks compared to copper pipes. Pinhole leaks in copper pipes can occur due to corrosion caused by water chemistry, oxygen exposure, or the presence of impurities. PEX, on the other hand, is a more chemically inert material that is resistant to corrosion. It also has fewer joints since it can be installed in long, continuous lengths, reducing the potential points of failure. Moreover, PEX is more flexible than copper, which allows it to expand and contract with temperature changes, reducing stress on the pipes. However, it’s important to note that the overall durability and performance of any plumbing system depend on proper installation, water quality, and maintenance practices. Regular inspections and proactive measures, such as monitoring water pH and ensuring proper connections, can help minimize the risk of pinhole leaks regardless of the chosen material.
Comparing the impact of water pressure on PEX and Copper pipes
PEX and copper pipes have different characteristics when it comes to handling water pressure. Here are the key points to consider:
- PEX pipes: PEX pipes are flexible and can handle high water pressure better than copper pipes. They have a higher burst pressure, making them less likely to burst under extreme pressure.
- Copper pipes: Copper pipes are rigid and have a lower burst pressure compared to PEX pipes. While they can handle normal water pressure, they may be more prone to bursting if subjected to excessive pressure or freezing conditions.
- Both PEX and copper pipes are designed to withstand typical residential water pressure, but PEX pipes have a slight advantage in terms of durability and resistance to high pressure situations.
- It’s important to consult with a professional plumber to determine the appropriate type of pipe for your specific needs and to ensure proper installation for optimal performance and longevity.
PEX and Copper: Which material is more resistant to scaling and mineral buildup?
PEX (cross-linked polyethylene) and copper are two common materials used in plumbing systems. When it comes to resistance to scaling and mineral buildup, PEX has the advantage. Here’s why:
- Non-reactive: PEX is non-reactive to minerals and chemicals found in water, reducing the chances of scaling and buildup.
- Smooth surface: PEX has a smooth interior surface, which inhibits the adherence of minerals and sediments.
- Flexibility: PEX is a flexible material, making it less prone to mineral buildup compared to rigid copper pipes that may have irregularities where deposits can accumulate.
- No corrosion: Unlike copper, PEX is corrosion-resistant, preventing the formation of mineral deposits caused by corrosion.
Overall, PEX is more resistant to scaling and mineral buildup than copper, making it a reliable choice for minimizing maintenance and ensuring long-term plumbing efficiency.
The effect of water velocity on the longevity of PEX and Copper pipes
The longevity of PEX and Copper pipes can be influenced by water velocity. Higher water velocities can have a detrimental effect on both types of pipes. Here are the key points to consider:
- PEX pipes: High water velocity can cause erosion and wear on the inner surface of PEX pipes, potentially leading to premature failure or leaks over time.
- Copper pipes: Elevated water velocity can result in increased turbulence and agitation within the pipe, leading to accelerated corrosion and erosion of the copper material. This can eventually cause leaks or pipe failure.
To ensure the longevity of PEX and Copper pipes, it is important to maintain an appropriate water velocity within the recommended limits. Consult the manufacturer’s guidelines or industry standards to determine the maximum acceptable water velocity for each type of pipe. Regular inspections and maintenance can also help identify any issues early and prevent potential damage caused by excessive water velocity.
PEX versus Copper: Which material is more flexible and resistant to cracking?
PEX (cross-linked polyethylene) is generally considered more flexible and resistant to cracking compared to copper. Here’s why:
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Flexibility: PEX pipes are highly flexible, making them easier to install in tight spaces and around obstacles. They can be bent and curved without the need for additional fittings, reducing the potential for leaks at joints.
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Resistance to cracking: PEX pipes have excellent resistance to cracking due to their inherent flexibility and ability to expand and contract with temperature changes. This property reduces the risk of burst pipes in freezing conditions or from thermal expansion.
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Corrosion resistance: Unlike copper, PEX pipes are resistant to corrosion, making them suitable for various water conditions and reducing the likelihood of leaks and pinhole failures over time.
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Impact resistance: PEX pipes can withstand impacts and pressure changes better than copper, minimizing the risk of cracks or fractures during installation or due to external forces.
In summary, PEX offers superior flexibility and resistance to cracking compared to copper, making it a popular choice for plumbing applications.
Conclusion
In conclusion, when it comes to durability, PEX (cross-linked polyethylene) emerges as a highly reliable alternative to traditional copper piping. PEX offers several advantages that contribute to its long-lasting performance:
- Resistance to corrosion: Unlike copper, PEX pipes are not susceptible to corrosion caused by water, chemicals, or soil conditions, ensuring their longevity.
- Flexibility: PEX pipes are highly flexible and resistant to freezing, making them less likely to crack or burst in cold temperatures.
- Fewer joints: PEX pipes can be installed with fewer joints compared to copper, reducing the risk of potential leaks at connection points.
- Scale and sediment resistance: PEX pipes have a smooth interior surface that resists scaling and sediment buildup, ensuring better flow and minimizing the risk of clogs.
While both PEX and copper have their merits, PEX demonstrates remarkable durability and longevity, making it an excellent choice for plumbing systems in residential and commercial settings alike.
Frequently Asked Questions
Q: Is PEX more durable than copper?
A: PEX and copper have different strengths and weaknesses. While copper is known for its long-term durability, PEX is also highly durable and has several advantages over copper.
Q: What are the advantages of PEX over copper?
A: PEX is more resistant to corrosion, scale buildup, and freezing compared to copper. It is also more flexible, making it easier to install in tight spaces and reducing the need for additional fittings.
Q: Is PEX less likely to leak than copper?
A: PEX has fewer joints and connections than copper, which reduces the likelihood of leaks. However, both PEX and copper can experience leaks if they are improperly installed or damaged.
Q: Can PEX withstand high temperatures like copper?
A: PEX can withstand high temperatures, but it has a lower maximum temperature limit compared to copper. PEX is typically rated for temperatures up to 200 degrees Fahrenheit, while copper can handle higher temperatures.
Q: Is PEX more cost-effective than copper?
A: PEX is generally more cost-effective than copper. It is often less expensive to purchase, and the installation costs can be lower due to the ease and speed of installation. Additionally, PEX does not require soldering, which can save on labor costs.

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