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In today’s plumbing and hydronic heating markets, PEX (cross-linked polyethylene) pipe has become the preferred choice for its flexibility, durability, ease of installation, and resistance to corrosion and freezing. Whether used in residential, commercial, or radiant floor heating systems, PEX pipes offer an efficient and cost-effective alternative to traditional copper and PVC piping.
But choosing the right PEX pipe isn’t just about the material, it’s about the manufacturer behind it. The top PEX pipe suppliers and manufacturers in the USA have established themselves through long-standing reputations, adherence to rigorous industry certifications, including ASTM F876/F877, NSF 61/14, and CSA B137.5, and a broad product portfolio that includes PEX-A, PEX-B, and oxygen barrier PEX pipes.
In this article, we’ll explore the Top 10 PEX pipe suppliers and manufacturers in the USA, based on their product quality, industry reputation, innovation, and nationwide availability. Whether you’re a contractor, distributor, or DIY enthusiast, this guide will help you make informed decisions and connect with some of the most reliable names in the plumbing industry.
Uponor
Company Overview
Uponor (formerly known as Wirsbo) is a true pioneer in North American radiant floor heating and PEX piping systems. The company began offering PEX-A floor heating solutions as early as the 1970s, helping to shape modern hydronic heating standards. Headquartered in Apple Valley, Minnesota, Uponor’s reach is global, with products sold across five continents and a cumulative installed pipeline exceeding 17 billion feet worldwide.
In 2023, Uponor was acquired by Georg Fischer, a Swiss multinational industrial company, further strengthening its position in sustainable water and energy systems.
Quality Certifications
Uponor’s PEX-A pipes and fittings are rigorously tested and certified by third-party organizations to ensure full compliance with both U.S. and international building codes. Key certifications include:
- ASTM F876 / F877 – PEX performance and system standards
- ASTM F1960 – Standard for cold expansion fittings with PEX pipe
- NSF/ANSI 14 & 61 – Certification for potable water system safety
- CSA B137.11 – Canadian standard for PEX pressure piping systems
These certifications reflect Uponor’s long-standing dedication to quality, safety, and reliability.
Product Range
Uponor specializes in PEX-A piping using the high-performance Engel crosslinking method, offering excellent flexibility, memory, and durability. Its key product lines include:
- AquaPEX® – For residential and commercial potable water systems
- Wirsbo hePEX™ – PEX-A with an oxygen barrier for radiant heating and cooling applications
- ProPEX® – Expansion-style fittings and connection technology
- Pipe diameters up to 4″, with complete systems including manifolds, insulation brackets, and automatic control systems for radiant heating
Market Share
Uponor holds the largest market share in North America’s radiant floor heating segment, according to multiple industry reports. Its trusted brand name, long-standing installer base, and proven product performance have secured its leadership position across both residential and commercial projects.
Sustainability
Sustainability is woven into Uponor’s product development and corporate strategy. Its radiant floor heating systems contribute to LEED® certification by enhancing energy efficiency, indoor air quality, and thermal comfort. In addition, Uponor actively pursues eco-efficient manufacturing, resource conservation, and waste reduction — reinforcing its commitment to advancing green building solutions.
REHAU
Company Overview
REHAU is a globally recognized polymer solutions company with a rich history of innovation in plumbing, radiant heating, and industrial applications. Founded in Germany in 1948, REHAU entered the North American market in the 1959s and quickly became a leading name in PEX-based systems. Known for its engineering excellence, REHAU continues to drive advancement in residential, commercial, and industrial piping systems with a strong focus on design integration and long-term performance.
Product Range
REHAU offers one of the most complete PEX-A product portfolios in the industry, here are some of their products：
- RAUPEX® PEXa Pipe – Offers uniform crosslinking, optimal strength, enhanced flexibility, and superior temperature/pressure performance.
- RAUPEX® O2 Barrier Pipe – Features an EVOH oxygen diffusion barrier for hydronic and radiant heating/cooling applications.
- RAUPEX® UV Shield Pipe – Provides UV protection, making it a smart alternative to copper in exposed applications.
- RAUGEO™ Geoexchange Pipe – Flexible and impact-resistant PEXa for ground-source heat pump systems; meets CSA 448 and IGSHPA standards.
- INSULPEX® Pre-insulated PEX Pipe – Designed for buried pipelines in hydronic heating/cooling, industrial, agricultural, geothermal, and snow-melt applications.
- FIREPEX® Residential Fire Sprinkler System – Complies with NFPA 13D and IRC P2904, using RAUPEX pipe and EVERLOC+ fittings with integrated mounting.
- RAUPEX® SPEED Radiant System – Hook-and-loop radiant mat system requiring no special tools for quick and adjustable floor heating installations.
In addition, REHAU’s proprietary EVERLOC+® Compression-sleeve Fitting System supports fast, secure, and leak-resistant connections. It includes adapters for CPVC, copper, and polymer fittings, and is widely adopted in residential and multifamily construction.
Quality Certifications
REHAU’s products are engineered to meet or exceed rigorous international and North American standards, ensuring long-term system integrity and safety. Their certifications include:
ASTM F876 / F877 – PEX tubing and hot/cold water systems
CSA B137.5 – Canadian plumbing systems
NSF/ANSI 14 and NSF/ANSI 61 – Health and safety for potable water
ICC PMG-1379 – Code compliance
AWWA C904 – Municipal water systems
ULC S101 / UL263 – Fire resistance
Compliance with PPI for geoexchange applications
Market Share
REHAU holds a significant share of the North American PEX piping market, especially in radiant heating and high-performance building systems. Its well-established presence, combined with trusted product lines like RAUPEX and EVERLOC+, positions it among the top choices for contractors and engineers across the U.S. and Canada.
Environmental Practices
REHAU is deeply committed to sustainable building and environmental responsibility. Its systems support LEED® certification goals and energy-efficient design through reduced energy loss, enhanced thermal control, and durable materials. The company also employs closed-loop water systems, recyclable polymer technologies, and low-impact manufacturing processes, helping reduce the carbon footprint of buildings and infrastructure.
Viega
Company Information
Viega is a global pioneer in piping solutions, with a legacy that dates back to 1899. Headquartered in Germany, the company has firmly established its North American presence since 1999, with advanced manufacturing facilities in Kansas, Nevada, and Colorado. Today, Viega employs over 4,000 professionals worldwide, driving engineering excellence and innovation across plumbing and heating systems.
Comprehensive Product Range
Viega offers a robust and versatile selection of piping systems and installation solutions tailored for modern plumbing, hydronic, and mechanical projects. The company’s offerings stand out for their engineering precision, ease of installation, and long-term performance. Key product lines include:
- ProPress® System
Viega’s flagship ProPress® system revolutionized plumbing by introducing a flameless, reliable, and time-saving press connection method for joining copper, stainless steel, and carbon steel pipes. The system features a wide array of fittings, valves, and adapters that meet rigorous industry standards for safety and durability.
- PureFlow® PEX System
The PureFlow® system is Viega’s high-performance PEX solution, available in both non-barrier and oxygen-barrier (EVOH) formats. Designed for potable water and radiant heating applications, PureFlow PEX tubing offers flexibility, corrosion resistance, and simplified installation.
- Heating & Cooling Solutions
Viega also provides advanced Heating & Cooling systems designed for efficient radiant temperature control. This includes:
– ProRadiant® floor heating and cooling systems
– FostaPEX® multilayer composite pipe for high-temperature applications
– Radiant manifolds, mixing stations, and control systems
These solutions enable energy-efficient climate control in residential, commercial, and industrial environments, integrating seamlessly with building management systems while enhancing comfort and sustainability.
认证
Viega’s product system stands out for its high-performance, flexibility, and code compliance. The tubing is offered in both non-barrier and oxygen-barrier (EVOH) variants, and the products have passed stringent third-party certifications including ASTM F876, F877, F3253, F3348, CSA B137.5, and NSF 61/14. Its EVOH oxygen barrier layer undergoes rigorous testing to ensure maximum protection in closed-loop hydronic applications.
Market Leadership
Viega’s ProPress® system is widely adopted across plumbing, HVAC, and fire protection applications, helping the company secure significant market share in mechanical connection systems around the world.
Sustainability
Viega’s PEX and composite pipes exhibit excellent chlorine resistance and oxidation resistance, reducing long-term system maintenance and minimizing replacement needs. These performance advantages extend the life of plumbing and radiant systems, contributing to sustainable building practices.
Zurn Elkay Water Solutions
Company Overview
Zurn, now operating under Zurn Elkay Water Solutions after its 2022 merger with Elkay, is a major U.S.-based water solutions company known for its broad range of plumbing and water safety systems. Headquartered in Milwaukee, Wisconsin, Zurn has a legacy dating back to the 19th century and has steadily expanded its reach in commercial, industrial, and residential markets. The merger with Elkay, a long-standing manufacturer of sinks and water delivery systems, reinforced Zurn’s commitment to providing total building water solutions.
PEX Product Offerings
Zurn is a trusted name in the PEX piping sector through its PEX Plumbing System product line, which includes:
- Zurn PEX® tubing (available in both PEX-A and PEX-B types)
- Crimp and expansion fittings (brass, poly, and stainless steel options)
- PEX manifolds, bend supports, and other accessories
Zurn’s PEX piping is engineered for durability and resistance to corrosion, scale, and chlorine. It’s also color-coded (typically red for hot and blue for cold) for simplified installation. The tubing is suitable for potable water systems and radiant heating applications.
Certifications and Compliance
Zurn PEX piping systems meet or exceed key North American performance standards, including:
ASTM F876 and F877
NSF/ANSI 14 and 61
CSA B137.5
The company places strong emphasis on third-party verification and quality assurance across all its piping and fittings.
Innovation and Sustainability
Zurn is committed to water conservation and sustainable product development. Its PEX systems contribute to building LEED® points and align with green building standards. The company continues to innovate with water-efficient products and smart plumbing technologies, including sensor-based fixtures and remote water management systems.
Watts Radiant
Company Overview
Watts Radiant is a dedicated brand under Watts Water Technologies, a company established in 1874 and headquartered in Massachusetts, USA. With nearly 4,500 employees worldwide, Watts specializes in fluid control, water safety, and energy-efficient technologies. The Watts Radiant division focuses specifically on radiant heating, floor warming, and snow melting systems, providing comprehensive pipe and control solutions for hydronic temperature control applications.
Product Range
Watts Radiant offers a full line of high-performance PEX tubing and composite pipe systems for heating and cooling installations:
- RadiantPEX®: A 3-layer PEX pipe designed for durability in radiant heating applications.
- RadiantPEX+®: A 4-layer PEX tubing with an EVOH oxygen barrier that meets DIN 4726 standards, enhancing system protection against corrosion.
- RadiantPERT: A flexible polyethylene of raised temperature (PE-RT) option for heating and plumbing use.
- RadiantPEX-AL®: A composite multilayer pipe with an aluminum core, combining the flexibility of PEX with the shape memory and stability of metal.
These tubing systems are compatible with a wide range of fittings and installation methods, such as CinchClamps, CrimpRings, and compression fittings, ensuring jobsite adaptability.
Market Share
Through the strong distribution network of its parent company, Watts Water Technologies, Watts Radiant has secured a solid market position across North America and internationally. It is recognized as a key supplier of hydronic temperature control systems, serving both residential and commercial markets.
Environmental Practices
Watts Water Technologies has a longstanding commitment to environmental responsibility. The company participated in the EPA 33/50 Program, aimed at reducing emissions of priority chemicals including volatile organic compounds (VOCs). Watts Radiant’s energy-efficient radiant systems support sustainable building goals by reducing energy consumption, extending system life, and improving indoor comfort.
Apollo (Aalberts)
Company Overview
Apollo’s manufacturing legacy in America began in 1928 with the founding of the Consolidated Brass Company (Conbraco) in Detroit, Michigan, specializing in ball cocks, air cocks, and related brass products.
In 2010, the company became part of Aalberts N.V., a global Dutch technology group focused on advanced piping systems and fluid control. Today, Apollo products are manufactured under Aalberts integrated piping systems across three major facilities in South Carolina, continuing a proud tradition of American manufacturing.
Over nearly a century of innovation and expansion, Apollo has evolved into a trusted name in plumbing and hydronic systems, with a diverse product portfolio that includes ball valves, butterfly valves, safety relief valves, control valves, mixing valves, backflow preventers, and a growing line of PEX tubing systems.
Product Range
Apollo offers a comprehensive lineup of PEX-A and PEX-B tubing systems, tailored for both crimp/clamp and expansion installation methods. The product family includes:
- PEX-A Tubing: Highly flexible and ideal for cold climates or tight bends, used with expansion fittings.
- PEX-B Tubing: More rigid, cost-effective, and commonly paired with crimp/clamp systems .
- Oxygen Barrier PEX: Designed for radiant heating applications, meeting ASTM F876/F877 with an EVOH oxygen barrier layer.
- Push-to-Connect Fittings: Quick-install brass fittings, offering tool-free connections across plumbing and repair jobs.
- Valves and Accessories: Apollo also integrates its legacy of valve manufacturing, offering ball valves, stop valves, and manifolds compatible with PEX installations.
Quality and Certifications
Apollo PEX products are manufactured under stringent quality control systems, complying with:
ASTM F876 / F877 (PEX tubing)
ASTM F1807 / F2159 / F1960 (fittings standards)
CSA B137.5
NSF/ANSI 14 and 61 (potable water safety)
ASTM E84 (surface burning characteristics for certain applications)
Facilities operate under ISO 9001 certified systems, ensuring product consistency and performance.
Market Position
Apollo ranks among the Top 5 PEX system manufacturers in North America, with strong penetration across professional wholesale, retail hardware chains, and new construction markets. The brand is favored for its balanced offering of performance, affordability, and ease of installation.
Environmental Responsibility
Apollo PEX tubing is designed for long-term durability, with excellent resistance to chlorine and oxidation, helping extend system life and minimize maintenance or material replacement. Many of its fittings and valves are available in low-lead or lead-free variants, complying with U.S. environmental safety standards such as California AB1953 and Vermont Act 193.
SharkBite (Mueller Industries)
Company Overview
SharkBite is a flagship brand under Reliance Worldwide Corporation (RWC), a global plumbing solutions provider with U.S. operations headquartered in Cullman, Alabama. RWC is a part of Mueller Industries, a historic American manufacturing group with over a century of experience in plumbing, HVAC, and industrial products. SharkBite is best known for revolutionizing plumbing installations with its push-to-connect fittings, making it a household name among professionals and home users alike.
Product Range
SharkBite offers a comprehensive selection of PEX-A and PEX-B tubing for potable water systems, radiant heating, and non-potable applications such as reclaimed water. Their PEX tubing is available in multiple configurations, including:
- Potable Water PEX (PEX-A and PEX-B) – Designed for hot and cold water distribution.
- Oxygen Barrier PEX – Suitable for hydronic heating systems; includes an EVOH oxygen barrier layer to protect components from corrosion.
- Reclaimed Water PEX – Typically purple-colored tubing for non-potable applications like graywater and irrigation, in compliance with local codes.
In addition to piping, SharkBite provides a full range of accessories such as pipe supports, clips, cutting tools, crimp rings, and connection fittings compatible with PEX systems.
认证
SharkBite PEX products meet or exceed multiple industry standards, including:
ASTM F876 / F877 – Performance standards for PEX tubing.
NSF/ANSI 14, 61, and 372 – Compliance for plastic piping components used in potable water systems, including lead-free certification (NSF 372).
CSA B137.5 – Canadian standard for crosslinked polyethylene piping systems.
ASTM F2023 – Chlorine resistance for long-term durability in potable systems.
ASSE 1061 – Certification for push-fit fittings used in potable and hydronic heating systems.
IAPMO and ULC Listings – Third-party compliance for plumbing and mechanical systems across U.S. and Canadian markets.
Market Share and Reputation
As one of the most recognized brands in residential plumbing, SharkBite dominates the push-to-connect fitting segment in North America. With wide distribution through big-box retailers like Home Depot, Lowe’s, and professional wholesalers, SharkBite has earned trust for both remodeling and new-build applications. Its quick-install fittings have significantly reduced labor times, especially in tight or complex piping layouts.
MrPEX Systems
Company Overview
MrPEX Systems is a U.S.-based subsidiary of the Swedish company LK Pex, a pioneer in PEX manufacturing since the 1970s. Established in the United States in the early 2000s, MrPEX Systems operates out of Minnesota and is recognized for its focus on radiant heating, snow melting, plumbing, and distribution systems. The brand is known for introducing innovations like PE-RT tubing with EVOH oxygen barriers, offering flexible solutions that compete directly with traditional PEX piping.
Product Range and Certifications
MrPEX provides a full range of PEX-a and PE-RT tubing systems, with core products including:
- MrPEX Tubing (PEX-a) – Crosslinked using the peroxide method, designed for radiant heating, potable water, and hydronic distribution.
- PE-RT Tubing with EVOH Oxygen Barrier – Offers flexibility similar to PEX-a while maintaining high chlorine resistance, ideal for radiant and snow melt systems.
- Manifolds, Fittings & Accessories – Including stainless steel manifolds, brass and polymer fittings (F1807/F1960), and tools for installation.
All tubing complies with standards such as:
ASTM F876 / F877
CSA B137.5
NSF/ANSI 14, 61, 372
DIN 4726 (for oxygen barrier tubing)
MrPEX products are certified by NSF and IAPMO, ensuring suitability for both U.S. and Canadian applications.
Market Position
While not as widely known as larger brands, MrPEX has built a solid reputation among professional installers for reliable performance, ease of use, and system compatibility. Their systems are especially popular in residential and light commercial radiant heating applications across North America.
Innovation
MrPEX emphasizes durability and long service life, contributing to sustainability through reduced maintenance and replacement needs. Their oxygen barrier PE-RT tubing offers an environmentally friendly option with lower energy requirements during manufacturing compared to traditional PEX-a.
Sioux Chief
Company Overview
Founded in 1957, Sioux Chief Manufacturing is a family-owned American company headquartered in Peculiar, Missouri. With decades of experience in the plumbing industry, Sioux Chief has built a reputation for in-house innovation, vertically integrated manufacturing, and a strong commitment to serving professional plumbers and wholesalers. The company designs, engineers, and manufactures over 90% of its products in the U.S., offering a comprehensive catalog that includes PEX systems, drainage solutions, valves, supports, and more.
Product Range
Sioux Chief offers a complete line of PEX-a and PEX-b systems, alongside a broad selection of fittings and accessories:
- PowerPEX® Systems – Sioux Chief’s branded PEX offering, including both crimp (ASTM F1807/F2159) and expansion (ASTM F1960) systems.
- PEX Tubing – Available in PEX-a, PEX-b, and oxygen barrier PEX, manufactured to meet potable water and radiant heating standards.
- Fittings & Accessories – A wide variety of brass, polymer, and engineered polymer fittings, stub outs, bend supports, clamps, and installation tools.
- Manifolds – Preassembled or customizable copper and polymer manifolds for home-run and zone-specific plumbing layouts.
认证
Sioux Chief’s PEX tubing and fittings meet or exceed industry standards, including:
ASTM F876/F877
ASTM F1807 / F1960 / F2159
NSF/ANSI 14, 61, and 372
CSA B137.5
Certified by IAPMO and UL for U.S. and Canadian code compliance.
Market Presence
Sioux Chief is widely respected by plumbers, wholesalers, and builders for its high-quality products and installer-focused innovations. While not the largest brand in terms of national retail presence, Sioux Chief has earned a strong market share in professional distribution networks and is recognized for its reliability in both residential and commercial plumbing rough-in systems.
莱德斯管道
Company Overview
Ledes conduit is a global electrical and plumbing conduit solution provider known for its innovation, safety commitment, and international standard compliance. Headquartered in China with an expanding footprint across North America, Europe, and Australia, Ledes has built its reputation through its UL, CSA, AS/NZS certified conduit systems widely used in residential, commercial, and infrastructure applications. In recent years, Ledes has actively diversified its product offerings, stepping into the water distribution and radiant heating field.
New Product Development: PEX Systems
In response to evolving market demands, Ledes has officially launched its PEX pipe solutions, expanding into the plumbing and hydronic heating sectors. The new product line includes Potable PEX-A/B tubing, Oxygen Barrier PEX for radiant and hydronic systems, as well as matching fittings and accessories like expansion rings, crimp fittings, manifolds, and installation tools.
Ledes’ PEX tubing is manufactured to comply with all key standards such as ASTM F876/F877, CSA B137.5, and NSF requirements, ensuring performance, durability, and safety across various applications. With flexible supply capabilities and a focus on value-engineered solutions, Ledes aims to offer reliable alternatives to established PEX brands in the North American and global market.
Global Market Strategy
Backed by strong manufacturing infrastructure and a rapidly growing international distribution network, Ledes has positioned itself to serve both OEM and branded channels. Its expansion into PEX signals the company’s long-term strategy to become a comprehensive electrical and plumbing solution provider.
Commitment to Sustainability
True to its values, Ledes continues to invest in sustainable product design, eco-conscious materials, and energy-efficient manufacturing processes. The addition of PEX pipes to its lineup enhances the company’s ability to support green building practices and long-lifecycle infrastructure solutions.
Conclusion
The U.S. PEX pipe market continues to evolve, driven by innovations in material science, growing demands for energy-efficient heating solutions, and stricter regulatory requirements. The ten manufacturers highlighted above, ranging from long-established giants to dynamic emerging brands, each bring their own strengths to the industry. These are just some of the companies. There are many other companies in this industry that also have outstanding advantages and contributions in this industry. Whether it’s through decades of valve and fitting expertise, global distribution power, cutting-edge barrier technology, or agile customer support, these companies set the benchmark for quality and reliability.
Collectively, they offer comprehensive solutions that cover a wide range of residential, commercial, and industrial applications. Their commitment to compliance with rigorous standards such as ASTM, CSA, NSF, and ASSE ensures safe, durable, and efficient systems. Moreover, their dedication to sustainable manufacturing and environmentally conscious product design plays a crucial role in supporting the green building movement.
Together, all these manufacturers shape the future of the U.S. PEX radiant heating and plumbing industry—driving innovation, raising the bar on quality, and promoting the continued development and modernization of hydronic systems across North America.
