IPEX 2" System 636 PVC Gas Coupling

System 636 PVC flue gas venting system offers regular and increaser couplings to help meet manufacturers recommended installation practices.

Suitable for use on appliances with flue gastemperatures up to and including 65°C
Suitable for most residential installations
When retrofitting existing water heaters, furnaces or boilers, do not connect System 636 certified vent systems to existing, non-certified appliance vent materials
Certified to ULC S636
Defined as Type BH Class II A 65°C venting
2" coupling H x H