UPONOR, INC.
Plumbing Listing Program
- UPONOR, INC.
- Plumbing – Plastic Piping and Accessories
- Apple Valley, Minnesota
Northeast Hutchinson, Minnesota - P321-1
- P321-1
- August 28, 2012
- July 4, 2025
- N/A
-
ASTM E84
“Standard Test Method for Surface Burning Characteristics of Building Materials”.
UL 2846
“Fire Test of Plastic Water Distribution Plumbing Pipe for Visible Flame and Smoke Characteristics”.
CAN/ULC S102.2
“Method of Test for Surface Burning Characteristics of Flooring, Floor Coverings, and Miscellaneous Materials and Assemblies”.
ASTM E119
“Standard Test Methods for Fire Tests of Building Construction and Materials”.
CAN/ULC S101
“Standard Methods of Fire Endurance Tests of Building Construction and Materials”.
UL 263
“Fire Tests of Building Construction and Materials”.
ASTM E814
“Standard Test Method for Fire Tests of Penetration Firestop Systems”.
CAN/ULC S115
“”Standard Method of Fire Tests of Firestop Systems”.
-
Cross-linked polyethylene PEX Piping, Fittings and Valves.
-
Models:
AquaPEX™ (natural, red, blue)
hePEX™ Pipe
helioPEX™ X2
RCW PEX™
Pre-Insulated PEX Pipe (AquaPEX™, hePEX™, helioPEX™, and RCW PEX™)
ProPEX™ EP Fittings
ProPEX™ EP MultiPort Tees
PEX rings
ProPEX™ EP Connectors
ProPEX™ CPVC Adapters and Valves
Marking(s):
All PEX tubing, connectors, angle stop valves, and other accessories (if sufficient
space available) shall be permanently marked with the following content applied
to an area that is readily visible after installation:
- Manufacturers name or trademark
- Model Name
- Standard: ASTM E84; CAN/ULC S102.2
- Flame Spread Rating < 25, Smoke Developed Rating < 50
- Nominal Size
- QAI Logo with ‘c’ and ‘us’ indicator on UPONOR PEX pipe products where appropriate.
- Manufacturing Traceability Label – Production date code
-
Rating(s):
The following outlines the performance of UPONOR pipe determined in accordance with the noted standards. The ratings outlined in the some of the tables below are achieved in assemblies that are defined in the QAI Design Listings.
ASTM E84 – Surface Burning Characteristics
Products
Limitations
Flame Spread Index
Smoke Developed Index
AquaPEX™ (natural, red, blue)1
hePEX™
helioPEX™ X2
RCW PEX™
ProPEX™ EP Fittings
ProPEX™ EP MultiPort Tees
PEX rings
ProPEX™ EP Connectors
ProPEX™ CPVC Adapters and Valves
Maximum 3/4-inch nominal diameter tubing; 18-inch minimum spacing between adjacent runs of tubing
< 25
< 50
Maximum 3-inch nominal diameter with maximum ½-inch wall thickness pipe products and accessories, installed with rated ½-inch pipe insulation2; No spacing requirements between adjacent runs.
< 25
< 50
UL 2846 – Surface Burning Characteristics
Products
Limitations
Flame Propagation and
Optical Density
AquaPEX™ (natural, red, blue)1
hePEX™
helioPEX™ X2
RCW PEX™
Maximum 4-inch nominal diameter tubing, installed with rated ½-inch fiberglass or mineral wool pipe insulation with FS rating of ≤ 25 and SDI rating of ≤ 50. The test results are limited to individual pairs of water distribution pipes.
Complies
CAN/ULC S102 – Surface Burning Characteristics
Product
Limitations
Flame Spread Rating
Smoke Developed Index
AquaPEX™ (natural, red, blue)1
hePEX™
helioPEX™ X2
RCW PEX™
ProPEX™ EP Fittings
ProPEX™ EP MultiPort Tees
PEX rings
ProPEX™ EP Connectors
ProPEX™ CPVC Adapters and Valves
Maximum 1-inch nominal diameter tubing; 18-inch minimum spacing between adjacent runs of tubing.
< 25
< 50
Maximum ½-inch nominal diameter tubing;
No spacing requirements between adjacent runs.
< 25
< 50
Maximum 3-inch nominal diameter with maximum ½-inch wall thickness pipe products and accessories, installed with rated ½-inch pipe insulation2; No spacing requirements between adjacent runs.
< 25
< 50
Note 1: Different sizes corresponding to different colors of AquaPEX™, hePEX™ and helioPEX™ X2 are dependent on manufacturer’s availability
Note 2: List of approved pipe insulation providers:
The following list of fiberglass insulation types (at minimum thickness of ½”) are approved for use with Uponor’s hePEX™, AquaPEX™ and helioPEX™ X2 when installed with UPONOR fittings and valves to maximum sizes outlined in tables above. The insulations noted must be Listed to ASTM C547 by an approved agency and are approved for use at the dimension specified above.
Insulation
Flame Spread Rating
Smoke Developed Index
(according to ASTM E84 / CAN/ULC S102.2)
Manson Alley-K
Johns Manville Micro-Lok
Johns Manville Micro-Lok HP
Owens Corning Vapor Wick
Owens Corning Fiberglass
GLT Pipe and Tank
Knauf Earthwool Redi-Klad
< 25
< 50
UL 263, ASTM E119, CAN/ULC S101 – Wall Assemblies
QAI Design #
Wall Type:
Wall Load:
Fire Endurance Period:
P321-1A
Light Gauge Steel Stud
Non-Load Bearing
1 hour
P321-1B
Wood Dimensional Lumber Stud
Restricted Load Bearing
P321-1G
Light Gauge Steel Stud
Non-Load Bearing
2 hour
P321-1H
Wood Dimensional Lumber Stud
Non-Load Bearing
UL 263, ASTM E119, CAN/ULC S101 – Floor/Ceiling Assemblies
QAI Design #
Wall Type:
Wall Load:
Fire Endurance Period:
P321-1C
Concrete
Restricted Load Bearing
2 hour
P321-1D
Concrete3
Restricted Load Bearing
P321-1E
Concrete/Steel Joist
Load Bearing
P321-1F
Wood Joist
Restricted Load Bearing
1 hour
Note 3: Either a 1-1/2 Hour or 2 Hour Assembly
ASTM E814, CAN/ULC S115 – Firestop Assemblies
QAI Design #
Product:
Floor/Wall Type:
Fire Endurance Rating
P321-1I
AquaPEX™ (natural, red, blue)1
hePEX™
helioPEX™ X2
RCW PEX™
Concrete
2 hour FH
P321-1J
2 hour FH
50Pa
Note:
These products are subjected to limitations as specified above and must be installed in accordance with the manufacturers’ instructions. Authorities having jurisdiction should be consulted regarding allowable applications. See manufacturer’s listings for other standards listed under QAI certification programs.
The materials, products or systems listed in this directory have been qualified to bear the QAI Listing Mark under the conditions stated with each Listing. Only those products bearing the QAI Listing Mark are considered to be listed by QAI.
The standard herein listed is the currently accepted version within the relevant certification scheme, code or other requirements unless otherwise noted. Transition periods may apply. Upon request, QAI will provide information about the validity of any of its certifications.
No warrantee is expressed or implied, and no guarantee is provided that any jurisdictional authority will accept the Listing found herein. The appropriate authorities should be contacted regarding the acceptability of any given Listing.
Visit the QAI Online Listing Directory located at www.qai.org for the most up to date version of this Listing and to validate that this QAI Listing is active. Questions regarding this listing may be directed to info@qai.org. Please include the listing number in the request.
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