DuraVent

DuraVent is a venting systems manufacturer founded in 1956 and part of the Duravent Group, producing Type B gas vents, direct vent coaxial systems, polypropylene condensing appliance vents, pellet vent, flexible chimney liners, and all-fuel stainless steel chimney systems. DuraVent products are UL and CSA listed and distributed through wholesale HVAC and plumbing channels including SupplyHouse.

DuraVent Product Lines

• DirectVent Pro: Coaxial direct vent for sealed combustion gas appliances, specified by most major gas appliance manufacturers.
• PolyPro: Polypropylene vent for Category IV condensing furnaces, boilers, and water heaters.
• PelletVent Pro: Listed vent for pellet and corn-burning stoves.
• Type B Gas Vent: Double-wall vent for naturally aspirated Category I and II gas appliances.
• DuraTech: All-fuel stainless steel chimney for wood, coal, oil, and gas.
• FasNSeal Flex Liner: UL 1777 listed flexible stainless steel masonry chimney liner.

Why Contractors Specify DuraVent

DuraVent covers the full range of venting categories from Type B through Category IV condensing, with DirectVent Pro specified by nearly every major gas appliance manufacturer. All products are UL and CSA listed for code compliance.

How to Choose a DuraVent Product

Identify the appliance vent category from the installation manual. Use Type B for Category I/II, PolyPro for Category IV condensing, DirectVent Pro for sealed combustion, PelletVent Pro for pellet stoves. Match pipe diameter to the appliance outlet collar.

Frequently Asked Questions

• Type B vs. direct vent? Type B for room-air-draw appliances; direct vent is sealed coaxial drawing outside combustion air.
• PolyPro universal for condensing? Compatible with most Category IV appliances; always verify the appliance installation manual.
• Common residential direct vent diameter? 3-inch or 4-inch; verify with appliance venting tables.
• FasNSeal code approved? Yes, UL 1777 listed for masonry relining.
• Special tools for offsets? No, standard elbow fittings are used.