System 636 Flue Gas Venting
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IPEX offers complete certified systems of pipes, fittings and cements meeting the stringent demands of the ULC S636 venting standard. All with the quality, performance and support you’ve come to expect from IPEX.

One code change, two certified solutions

We offer System 636® in two distinct materials, each with a unique temperature rating. These venting systems are approved as Type BH vents and are designed for negative or positive pressure venting of gas-fired appliances:



SYSTEM 636® PVC

System 636® PVC is classified as Type BH Class IIA vent suitable for use on appliances with flue gas temperatures up to and including 65ºC. Sizes include 1-1/2", 2", 2-1/2", 3" and 4". Coloured white with unique blue certification markings, System 636 PVC pipe is made to sturdy SCH 40 dimensions to provide a strong, rigid pipe for the application. We offer a full range of System 636 PVC vent fittings and accessories.


SYSTEM 636® CPVC
System 636 CPVC is classified as Type BH Class IIB vent suitable for use on appliances with flue gas temperatures up to and including 90ºC. CPVC sizes include 1-1/2", 2", 2-1/2", 3" and 4". Coloured grey, System 636 CPVC pipe is also made to sturdy SCH 40 dimensions to be tough enough for the application’s demands. Our full line of System 636 CPVC fittings are available in SCH 80 dimensions.

System 636 Catalog [PDF]
Mechanical Product Overview [PDF]
System 636 Installation Guide Oct 2013 [PDF]
System 636 flame spread and smoke TIB [PDF]
System 636 CPVC Long Sweep Elbows[1] [PDF]
System 636 CPVC Submittal Data Sheet[1] [PDF]
System 636 PVC Submittal Data Sheet [PDF]
IPEX 636 CLR PR_LoVoc_MSDS [PDF]
IPEX 636 ORG_LoVoc_MSDS [PDF]
IPEX 636 PUR PR_LoVoc_MSDS [PDF]
IPEX SYS 636 GRY_LoVoc_MSDS [PDF]
IPEX 636 TRAN LoVoc 10-12 [PDF]
System 636 TSSA Newsletter [PDF]
System 636 Access Tees [PDF]
System 636 Termination Kits [PDF]
System 636 New fittings [PDF]
US System 636 - November 21, 2011 [PDF]
US System 636 - November 21, 2011 [XLS]