DuraVent 2" Flex Puller

Use with the provided rope to guide PolyPro flex lengths down masonry chimney. 2" version snaps on to flex, 3"-5" version twist-locks on the male flex adapter. PolyPro. is engineered for use with category II and IV condensing gas/oil appliances and heating equipment, including tankless water heaters, high efficiency water heaters, condensing boilers and warm air furnaces. Application PolyPro is a polypropylene vent pipe for use with ANSI Category II and IV gas-burning appliances, including high efficiency water heaters, condensing boilers and warm air furnaces. PolyPro is listed by Intertek to the ULC SC636 standard in Canada as a Class IIA, IIB and IIC vent system suitable for exhaust temperatures up to 230F / 110C, and a maximum positive pressure of 15 in-w.c. Materials and Construction Rigid pipe constructed of 2.2mm (minimum) thick polypropylene. Flex is double-wall polypropylene. EPDM or optional Viton Gaskets. Clearances 0" clearance to combustible for exhaust temperatures up to 194F / 90C, and 0" cl...