HeatLink Group Inc.
Plumbing Listing Program
- HeatLink Group Inc.
- Plastic Piping and Accessories
- Calgary, Alberta
- P371-1
- P371-1
- November 16, 2020
- August 28, 2025
- N/A
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ASTM E84-19b Standard Test Method for Surface Burning Characteristics of Building Materials.
CAN/ULC S102.2-10 Standard Method of test for Surface Burning Characteristics of Flooring, Floor Coverings, and Miscellaneous Materials and Assemblies.
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PureLink Plus (potable) & HeatLink (radiant) pipes with fittings in the following options:
PureLink™ Plus (potable), (natural, red, white, and blue colors).
PurePEX™ (potable), (red, white, and blue colors).
HeatLink™ (radiant), (natural colors).
HeatLink™ couplings, fittings and endcaps. -
All PEX tubing, connectors, fittings, 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:
a) Manufacturer’s name or trademark
b) Model designation
c) Nominal Pipe Size
d) Manufacturer’s traceability code.
e) QAI file Number: P371
f) ASTM E84 / CAN/ULC S102.2 Ratings (FSI ≤ 25 / SDI ≤ 50)
g) QAI logo shown here:
Products for use in Canada may require English and French labeling.
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The following outlines the performance of PureLink Plus™ and HeatLink™ products in accordance with the noted standards.
ASTM E84 – Surface Burning Characteristics
Products
Limitations
Flame Spread Index
(FSI)
Smoke Developed Index (SDI)
PureLink® Plus (red, white, blue, natural1)
Up to 2-inch (51 mm) nominal diameter pipes and accessories installed with ½-inch (13 mm) pipe insulation2; no spacing requirements between adjacent runs of tubing.
≤ 25
≤ 50
PurePEX™ (red, white, blue)
½-inch to (13 mm) 1-inch (25 mm) nominal diameter pipes and accessories installed with ½-inch (13 mm) pipe insulation2; no spacing requirements between adjacent runs of tubing.
≤ 25
≤ 50
PureLink® Plus
(natural)
Up to 2-inch (51 mm) nominal diameter pipe supported continuously with 20-gauge pipe supports covering minimum half exposed pipe area. PureLink™ exposed between pipe supports requires encasing with ½ inch (13 mm) approved pipe
insulations2.Piping is to be clamped with standard support clamps following HeatLink Group, Inc’s installation instructions.
≤ 25
≤ 50
HeatLink® (natural)
Up to 1-1/2-inch (38 mm) nominal diameter pipe and accessories installed with rated ½ inch (13 mm) pipe insulation2; no spacing requirements between adjacent runs of tubing.
≤ 25
≤ 50
Note 1: Different sizes corresponding to different colors of PureLink™ and HeatLink™ are dependent on
manufacturers availability.
Note 2: List of approved pipe insulation for use with PureLink™ and HeatLink™ products are outlined below.CAN/ULC S102.2 – Surface Burning Characteristics
Products
Limitations
Flame Spread Index
(FSI)
Smoke Developed Index (SDI)
PureLink™ (red, white, blue, natural1)
Up to 2-inch (51 mm) nominal diameter tubing product and accessories installed with rated ½ inch (13 mm) pipe insulation2; no spacing requirements between adjacent runs of tubing.
≤ 25
≤ 50
PurePEX™ (red, white, blue)
½ (13 mm) to 1-inch (25 mm) nominal diameter pipes and accessories installed with ½-inch (13 mm) pipe insulation2; no spacing requirements between adjacent runs of tubing.
≤ 25
≤ 50
PureLink® (natural)
Up to 1-1/2-inch (38 mm) nominal diameter piping water filled pipe. There are no spacing requirements between adjacent runs of this pipe assembly.
Optional: Pipe insulation can be installed maintaining the ratings noted2.
≤ 25
≤ 50
HeatLink® (natural)
Up to 1-1/2-inch (38 mm) nominal diameter pipe and accessories installed with rated ½-inch (13 mm) pipe insulation2; no spacing requirements between adjacent runs of tubing.
≤ 25
≤ 50
The insulation noted must be listed to ASTM C547 by an approved agency are approved for use at the
dimension specified above.Insulation
Flame Spread Index
(FSI)
Smoke Developed Index (SDI)
Mason Alley-K
≤ 25
≤ 50
Johns Manville Micro-Lok HP
Johns Manville Micro-Lok
Owens Corning Vapor Wick
Owens Corning Fiberglass
GLT Pipe and Tank
Knauf Earthwool Redi-Klad
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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