PolyPro is a polypropylene vent pipe for use with ANSI Category II and IV gas burning appliances, including tankless and storage high-efficiency water heaters, condensing boilers and warm air furnaces. PolyPro is listed by Intertek to the ULC S636 standard in Canada and is rated as a Class IIA, IIB and IIC vent system suitable for exhaust temperatures up to 230°F / 110°C, and a maximum positive pressure of 8 in-w.c.
0" clearance to combustibles for exhaust temperatures up to 194°F / 90°C, and 0" clearance for vertical installations up to exhaust temperatures of 230°F / 110°C and 1/4" / 6mm clearance to combustibles for horizontal installations at exhaust temperatures up to 230°F / 110°C. PolyPro concentric vent system components, including concentric Horizontal Termination and Vertical Termination, are listed at 0" clearance to combustibles for exhaust temperatures up to 230°F / 110°C.
Materials and Construction
Rigid pipe constructed of 2.2mm (minimum) thick polypropylene.
Flex is double-wall polypropylene.
EPDM or Viton gaskets.
2" (60mm), 3" (80mm),
4" (100mm), 5" (125mm)
Intertek / Warnock-Hersey listed to ULC S636 as a Class IIA, IIB and IIC vent system.