PART 7 — PLUMBINGUpdated for the 2024 Ontario Building Code
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7.2.11.2.Certification or Conformance
(1) Water service pipes and fire service mains shall conform to the standards for the materials listed in Table 7.2.11.2.
Table 7.2.11.2.
Water Service Pipe and Fire Service Main Materials
Forming Part of Sentence 7.2.11.2.(1)
Material Standard Limitations
Conform to Series 160 or a higher series of CSA
Polyethylene pipe and
B137.1, “Polyethylene (PE) Pipe, tubing and fittings for
fittings
cold water pressure services”
Crosslinked polyethylene
Conform to CSA B137.5, “Crosslinked polyethylene
pressure pipe or tube and
(PEX) tubing systems for pressure applications”
fittings
Conform to CSA B137.3, “Rigid polyvinylchloride (PVC)
pipe and fittings for pressure applications”, or certified to Pipe and fittings must have a rated working
PVC pipe and fittings
CSA B137.2, “Polyvinylchloride (PVC) injection-moulded pressure of 1 100 kPa or more
gasketed fittings for pressure applications”
The design temperature and pressure shall
Conform to CSA B137.6, “Chlorinated polyvinylchloride conform to the requirements of the CSA B137.6,
CPVC pipe and fittings (CPVC) pipe, tubing and fittings for hot and cold water “Chlorinated polyvinylchloride (CPVC) pipe,
distribution systems” tubing and fittings for hot and cold water
distribution systems”
Pipe shall have a cement-mortar lining
Conform to ANSI/AWWA C151 / A21.51, “Ductile-Iron conforming to ANSI/AWWA C104 / A21.4,
Cast-iron water pipe
Pipe, Centrifugally Cast” “Cement-Mortar Lining for Ductile-Iron Pipe and
Fittings”
Pipe shall have a cement-mortar lining
Iron fittings for cast-iron or Conform to ANSI/AWWA C110 / A21.10, “Ductile-Iron conforming to ANSI/AWWA C104 / A21.4,
ductile-iron water pipes and Gray-Iron Fittings” “Cement-Mortar Lining for Ductile-Iron Pipe and
Fittings”
Rubber gasket joints for Conform to ANSI/AWWA C111 / A21.11, “Rubber
cast-iron and ductile-iron Gasket Joints for Ductile-Iron Pressure Pipe and
water pipes Fittings”
Screwed cast-iron water Conform to ASME B16.4, “Gray Iron Threaded Fittings: Screwed cast-iron water fittings shall be
fittings Classes 125 and 250” cement-mortar lined or galvanized
Certified to ASTM B88, “Standard Specification for
Type K soft copper tube
Seamless Copper Water Tube”
Conform to ASME B16.18, “Cast Copper Alloy Solder Solder-joint fittings not made by casting or the
Solder-joint fittings for Joint Pressure Fittings”, or conform to ASME B16.22, wrought process shall conform to the applicable
copper water systems “Wrought Copper and Copper Alloy Solder-Joint requirements of ASME B16.18, “Cast Copper
Pressure Fittings” Alloy Solder-Joint Pressure Fittings”
Flared-joint fittings not made by casting shall
Flared-joint fittings for Conform to ASME B16.26, “Cast Copper Alloy Fittings
conform to ASME B16.26, “Cast Copper Alloy
copper water systems for Flared Copper Tubes”
Fittings for Flared Copper Tubes”
Conform to CSA B137.9, “Polyethylene/aluminum/
PE/AL/PE pipe and fittings polyethylene (PE-AL-PE) composite pressure-pipe
systems”
Conform to CSA B137.10, “Crosslinked polyethylene/
PEX/AL/PEX pipe and
aluminum/crosslinked polyethylene (PEX-AL-PEX)
fittings
composite pressure-pipe systems”
This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.
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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.