3" Flex Chimney Lining Kit w/ LB2

Use for a vertical flex lining system. Includes black, UV resistant chimney cap, rigid flue vent, flex support bracket, 4 spacers in 3” & 4” kits, male and female flex adapters with gaskets, extended support elbow, wall plate, appliance adapter, Locking Clamp, and Adapter Connector clamp. Flex sold separately.

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" clearance for vertical installations up to exhaust temperatures of 230F / 110C and 1/4" / 6mm clearance to combustibles for horizontal installations at exhaust temperatures up to 230F / 110C. PolyPro concentric vent system components, including concentric Horizontal Termination and Vertical Termination, are listed at 0" clearance to combustibles for exhaust temperatures up to 230F / 110C.

Listings
Listed with the appliance in the USA and Canada, check with appliance manufacturer. Intertek / ETL listed to ULC S636 Listed as a Class IIA, IIB, and IIC vent system.