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View the online catalogue of Uponor products.
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Download a PDF version of the Uponor product catalogue.
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Browse the Uponor product catalogue and view individual submittals, or add multiple products to a single submittal package (AKA cut sheet).
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Featured products
Uponor AquaPEX®
Flexible, durable Uponor AquaPEX Red and Blue pipe provides full-color hot-water and cold-water differentiation to help improve productivity and profitability in residential and commercial plumbing projects.
Uponor ResiPEX™
Hot and cold potable-water PEX-a pipe engineered specifically to meet the performance requirements for single-family residential plumbing projects.
Uponor ProPEX®
Uponor ProPEX systems are designed for strength and durability, offering the most efficient use of materials for the most effective water delivery system — all backed by a 25-year transferable limited warranty.
Smatrix Pulse control system
Homeowners can enjoy precise wireless control of their radiant floor heating as well as their forced-air heating and cooling systems all with one solution that connects to a smart home assistant and can also be controlled remotely via an app.
Uponor TotalFit™
TotalFit is the professional-grade engineered polymer (EP) push-to-connect solution from Uponor that provides greater value for residential projects with the same versatility and speed as brass push-to-connect fittings for PEX, PE-RT, CPVC, and copper piping systems.
Uponor AquaPort™
The Uponor AquaPort is a self-contained unit that converts a building's hydronic heating supply to provide on-demand domestic hot water. Install an AquaPort in multifamily homes, hospitality buildings, education campuses, and healthcare facilities to increase energy efficiency and minimize water waste.
Products
Featured products
Commercial solutions
Ecoflex
Uponor AquaPort™
Uponor ProPEX® Transition Ball Valves
Commercial case studies
Residential solutions
Uponor ResiPEX™
Residential radiant
Residential fire safety
Residential homebuilding
Uponor Logic plumbing
LoopCAD
Uponor helioPEX X2
Residential case studies
Services
Construction services
Uponor construction services
Uponor construction services
Uponor Construction Services is a professional team of estimators, engineers, designers, modelers, BIM content managers and polymer piping experts that provide estimation and design expertise for domestic water, fire sprinkler, hydronic distribution, radiant heating and cooling, snow and ice melting, turf conditioning and permafrost prevention systems.
Uponor construction services
BIM/CAD library
BIM/CAD library
Accurately and efficiently specify and design your project with manufacturer-provided Autodesk (Revit and CADmep) content from Uponor.
BIM/CAD library
Request a design
Request a design
Start your plumbing, radiant, hydronic or fire sprinkler project off right with an estimation or design from Uponor Construction Services.
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Kitting
Engineering
Pipe sizing calculator
Pipe sizing calculator
Use our pipe sizing calculator for quick, accurate sizing of your plumbing, hydronic or radiant piping project.
Pipe sizing calculator
Codes, listings, standards, and reports
Codes, listings, standards, and reports
Industry codes, standards and listings exist to protect the lives, health and safety of construction professionals, structure occupants and the public. Feel confident knowing Uponor is the most trusted and third-party listed PEX for residential and commercial plumbing, heating, cooling and fire safety applications.
Codes, listings, standards, and reports
Specifications
Specifications
Specifications for application of Uponor products.
Specifications
Design assistance manuals
Plumbing and hydronic
Plumbing and hydronic
Uponor's PEX Piping Systems design and installation manual (PDIM) for plumbing and hydronic piping systems.
PEX Piping Systems design and installation manual (PDIM)
Radiant heating
Radiant heating
Uponor's complete design assistance manual (CDAM) for radiant heating systems.
Complete design assistance manual (CDAM)
Radiant cooling
Radiant cooling
Uponor's Radiant Cooling design manual (RCDM).
Radiant Cooling design manual (RCDM)
Snow and ice melt
Snow and ice melt
Uponor's Snow and Ice Melt design and installation manual (SIMDIM).
Snow and Ice Melt design and installation manual (SIMDIM)
Pre-insulated pipe
Pre-insulated pipe
Uponor's Pre-Insulated Pipe System (Ecoflex) design and installation manual (PPSDIM).
Pre-Insulated Pipe System (Ecoflex) design and installation manual (PPSDIM)
Pipe sizing calculator
Uponor Literature System (ULS)
Training
Factory training
Factory training
In-person training for plumbing, fire safety, radiant and hydronics at our factory in Minnesota.
Factory training
AquaSAFE qualification training
AquaSAFE qualification training
Get qualified to install Uponor AquaSAFE fire safety systems, offered on demand and online for your convenience.
AquaSAFE qualification training
Radiant Solutions program
Radiant Solutions program
Advance your residential radiant knowledge with this free, on-demand, online program.
Radiant Solutions program
Webinars
Webinars
View our on-demand webinars for training in hydronic piping systems and Indoor Environmental Quality (IEQ).
Webinars
Uponor Academy Online
Uponor Academy Online
Uponor's online training portal.
Uponor Academy Online
Contact an Uponor sales representative
Uponor Academy OnlineUponor's online source for training.
Additional online trainingWebinars and training on-demand.
Factory trainingIn-person training for plumbing, fire safety, radiant and hydronics at our factory in Minnesota.
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Newsroom
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Contact Uponor
Uponor North America
6510 Kennedy Road
Mississauga, ON L5T 2X4
T:  888.994.7726
W: Contact us
Customer support
Customer services
T: 888.994.7726
E:  customer.service@uponor.com
Technical services
T: 888.994.7726
E:  NASupport@uponor.com
Warranty claims
Submit a warranty claim to Uponor.
Uponor claims portal
T:  800.876.6671
E:  warranty.una@uponor.com

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Product catalogue

QS-style compression manifold fitting assemblies

QS-style compression manifold fitting assemblies

QS-style compression fitting assemblies connect 5/16", ³⁄₈", ¹⁄₂" and ⁵⁄₈" Uponor PEX tubing to stainless-steel, brass and EP heating manifolds and R20 fittings. Sold as a three-piece assembly.

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Availability of specific products varies by distributor.

Item details

Name	Status			Detail
A4020313 5/16" QS-style Compression Fitting Assembly, R20 thread	Active	Download submittal		productFamilyDetail/tab/itemDetails/detailLink
A4020375 3/8" QS-style Compression Fitting Assembly, R20 thread	Active	Download submittal		productFamilyDetail/tab/itemDetails/detailLink
A4020500 1/2" QS-style Compression Fitting Assembly, R20 thread	Active	Download submittal		productFamilyDetail/tab/itemDetails/detailLink
A4020625 5/8" QS-style Compression Fitting Assembly, R20 thread	Active	Download submittal		productFamilyDetail/tab/itemDetails/detailLink
A4030625 5/8" QS-style Compression Fitting Assembly, R25 thread	Phaseout	Download submittal		productFamilyDetail/tab/itemDetails/detailLink
A4020750 3/4" QS-style Compression Fitting Assembly, R25 thread	Active	Download submittal		productFamilyDetail/tab/itemDetails/detailLink
A4050625 5/8" QS-style Compression Fitting Assembly for Commercial Manifold, R25 thread	Active	Download submittal		productFamilyDetail/tab/itemDetails/detailLink
A4050750 3/4" QS-style Compression Fitting Assembly for Commercial Manifold, R25 thread	Active	Download submittal		productFamilyDetail/tab/itemDetails/detailLink

Similar products

ProPEX lead-free (LF) brass reducing tees

ProPEX lead-free (LF) brass reducing tees

ProPEX LF brass reducing tees make diverting connections for Uponor PEX tubing in supply and return mains. Branch size is listed last in the part description. Note: ProPEX tool is required. ProPEX rings sold separately.

ProPEX lead-free (LF) brass water heater adapters

ProPEX lead-free (LF) brass water heater adapters

The Uponor ProPEX® Water Heater Adapter (stainless steel) connects ³⁄₄" PEX to water heater.Note: ProPEX tool is required. ProPEX rings sold separately.

Basic end caps

Basic end caps close the end of TruFLOW Jr. manifolds. Required gaskets are included.

QS-style coupling nipples

QS-style coupling nipples

QS-style brass coupling nipples and the appropriate fitting assemblies connect 5/16", ³⁄₈", ¹⁄₂", ⁵⁄₈" or ³⁄₄" Uponor PEX tubing together.