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Newest Innovations in Venting Systems

DuraVent is the premier company of the venting industry. With a broad range of engineered venting products, DuraVent has earned its reputation as the industry leader by offering innovative, safe, and professional products for the HVAC markets.

Special Gas Vent

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DuraSeal®

Single-Wall and Double-Wall Special Gas Vent Boiler Adapters.

FasNSeal®

Special gas vent system. UL 1738 and ULC S636.

FasNSeal® W2

Double-wall special gas vent system. UL 1738 and ULC S636.

FasNSeal® 80/90

Combined Category I and IV venting for Gas-Burning Appliances.

FasNSeal® Flex

Flexible special gas vent system. The only flex Listed to UL 1738. UL 1777.

Pressure Stack

DuraStack® Pro

Models DIS and DAS. Modular Double-Wall Positive Pressure Chimney for Boiler Breeching, Stack and Engine Exhaust, and Grease Duct.

DuraStack®

A modular double-wall positive pressure chimney system. Factory built for boiler breeching, engine exhaust, and chimney stack. Grease duct (DIS only).

Polypropylene

PolyPro®

Environmentally safe venting system for high-efficiency appliances, including water heaters, condensing boilers and warm air furnaces. ULC S636.

Watertube Boilers

PolyPro® Flex

PolyPro double-wall flex lining system. Environmentally safe venting system for high-efficiency appliances, including water heaters, condensing boilers and warm air furnaces.