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 (194ºF). CPVC sizes include 1-1/2", 2", 3", 4", 6" and 8". Colored grey, System 636 CPVC pipe is also made to Sch. 40 dimensions to be tough enough for the application's demands.

• System 636 CPVC Flue Gas Vent Pipe

System 636 CPVC Flue Gas Vent PipeIpex