Concentric vent kit, 3-inch CPVC | Water Heating Direct.

Concentric vent kit, 3-inch 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 (194ºF). Colored grey, System 636 CPVC pipe is also made to Sch. 40 dimensions to be tough enough for the application’s demands.


  • Fully certified as a complete pipe, fittings and cement system
  • 2 system options cover a broad range of operating temperatures
  • No mixing clause of ULC S636 ensures full compatibility of all pipe, fittings, and cement
  • Installer training available
Regular price Pro Price: $613 Save $-613