DuraVent 2"-5" Diameter PolyPro Flex Chimney Lining Kit
The DuraVent 2"-5" Diameter PolyPro Flex Chimney Lining Kit is a complete chimney relining solution designed for safe and efficient installation of PolyPro flex vent systems in existing masonry chimneys and chase applications. Engineered for high-efficiency condensing gas appliances, this lining kit provides a reliable venting pathway for condensing boilers, furnaces, tankless water heaters, and HVAC exhaust systems while simplifying retrofit installations.
Built with trusted DuraVent PolyPro polypropylene venting technology, this chimney lining kit offers durability, flexibility, and professional-grade performance. PolyPro is specifically engineered for condensing appliances with a higher operating temperature limit of 230°F (110°C) compared to PVC and CPVC. Featuring an advanced condensation management system, DuraVent PolyPro provides corrosion-resistant, efficient, and code-compliant venting solutions for residential and commercial heating applications.
Features
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Complete PolyPro Flex Chimney Lining Kit: The DuraVent 2"-5" Diameter PolyPro Flex Chimney Lining Kit is designed for vertical flex lining system installations in masonry chimneys and retrofit venting applications.
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Includes Essential Venting Components: Kit includes a black UV-resistant chimney cap, rigid flue vent, flex support bracket, extended support elbow, wall plate, appliance adapter, locking clamp, and adapter connector clamp for a complete installation solution.
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Flexible Chimney Relining Accessories: Includes male and female flex adapters with gaskets to create secure connections between PolyPro flex vent components and rigid vent sections.
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Enhanced Vent Support and Alignment: Features a flex support bracket and spacers to maintain proper positioning and stability within chimney liners and chase systems. The 3" and 4" kits include four spacers.
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Durable UV-Resistant Chimney Cap: Includes a black UV-resistant chimney cap with rigid flue vent designed for reliable outdoor vent termination performance.
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Compatible with High-Efficiency Appliances: Engineered for PolyPro polypropylene vent systems used with condensing boilers, furnaces, tankless water heaters, and HVAC applications.
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Professional Retrofit Venting Solution: Provides a complete chimney relining kit for safe, efficient, and code-compliant installations. (Flex vent sold separately; appliance adapter not included with the 5" kit.)
Specifications
| Model |
Size |
| 2PPS-FKC |
2" Diameter |
| 3PPS-FKC |
3" Diameter |
| 4PPS-FKC |
4" Diameter |
| 5PPS-FKC |
5" Diameter |
| Clearance |
0” clearance to combustibles / vertical installations |
| Listings |
ULC S636 is Listed as a Class IIA, IIB, and IIC vent system. |
| Warranty |
10-years Limited warranty |
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