Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Designed to meet the rugged demand of the jobsite, with its inner wall recessed to eliminate damage in handling
• 1 in. clearance to combustibles in single and multi-family dwellings
• Innovative system for a lock tight connection called duralock

Double Wall Construction

• Non-Positional Locking System Makes Installation A Snap
• No Tools Required For Disassembly

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Adds 16.5 in. L to a 4 in. Dia installation
• Aluminum inner wall and galvalume outer wall construction that features a industry leading twist-lock design
• 1 in. clearance to combustibles in a single or multi-family dwelling applications

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Replacement tee cap for 6 in. Dia DuraVent B-vent
• Prevents flue gases from leaking out the 6 in. Dia b-vent tee
• Allows easy access to vent run for cleaning and inspection thru the b-vent tee

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Allows a 5 in. Dia B-vent run to be increased to 6 in. for added draft
• Aluminum inner wall and galvalume outer wall construction that features an industry leading twist-lock design
• 1 in. clearance to combustibles in a single or multi-family dwelling applications

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Designed to meet the rugged demand of the jobsite, with its inner wall recessed to eliminate damage in handling
• 1 in. clearance to combustibles in single and multi-family dwellings
• Innovative system for a lock tight connection called duralock

Use to vent condensing appliances. Includes 1 Locking Clamp. PolyPro is an engineered alternative for condensing gas appliances. Engineered for venting, it is easier and faster to install than PVC, saving the contractor time and money. Polypropylene has a higher operating temperature limit of 230 degree F/110 degree C (PVC is 149 degree F/65 degree C max and CPVC is 194 degree F/90 degree C). PolyPro is engineered with a condensation management system.

• 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
• 0 in. clearance to combustibles for exhaust temperatures up to 194 degree F / 90 degree C and 0 in. clearance for vertical installations up to exhaust temperatures of 230 degree F / 110 degree C and 1/4 in. / 6mm clearance to combustibles for horizontal installations at exhaust temperatures up to 230 degree F / 110 degree C
• Check with appliance manufacturer, Intertek / ETL Listed to ULC-S636 Listed as a class IIA, IIB, and IIC vent system
• PolyPro is an environmentally safe and engineered alternative, for condensing gas appliances
• Engineered for venting, it is 100% recyclable, and contains no toxic or carcinogenic materials, chlorides, or heavy metals
• PolyPro does not release hazardous gases during combustion, and has been used safely throughout Europe for over 20 years
• PolyPro is engineered with a corrosion-free, condensation management system
• Rigid pipe constructed of 2.2 mm (minimum) thick PolyPro
• Easy to install lightweight, assembles quickly, can be disassembled for inspection or cut to desired length
• Gasketed joint system, no adhesives nor primers required, no curing times and no special training, no mess

Double Wall Construction

• Non-Positional Locking System Makes Installation A Snap
• No Tools Required For Disassembly

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and Liquified Propane (LP) category I appliances with a draft hood
• Directs rain away from the flashing to prevent water penetration in attic
• Apply 500 caulking around the edge of the storm collar and the b-vent to prevent water penetration
• Made from galvanized steel to prevent corrosion

The 4 in. Steel Round Gas Vent Top is a Type B, galvanized-steel fitting that helps prevent rain and debris from entering the vent. It is not for use with wood-burning applications. The end is die-formed for uniform sizing and a strong, easy-to-connect joint. The cap is tested and UL listed for safety in accordance with NFPA standards.

• Strong, durable galvanized steel
• Prevents rain and debris from entering the vent
• Not to be used with wood-burning applications
• Tested and listed per UL 441 for installation in single and multi-story buildings

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Designed to meet the rugged demand of the jobsite, with its inner wall recessed to eliminate damage in handling
• 1 in. clearance to combustibles in single and multi-family dwellings
• Innovative system for a lock tight connection called DuraLock

Featuring die-formed ends to assure uniform sizing, the 4 in. x 24 in. Round Type B Gas Vent Pipe is ideal to connect to most 4 in. pipes. Made of strong, durable galvanized steel, it is built to last. Fully tested and listed per UL441 guidelines.

• Made of strong, durable galvanized steel, this vent pipe is built to last
• Die-formed ends to assure uniform sizing
• For use on approved gas appliances in residential, light commercial and industrial applications
• Exclusive lock tab feature adds versatility to installation
• Fits most 4 in. pipes
• In accordance with National Fire Protection Association NFPA54 and NFPA211 standards
• Type B gas vent is also referred to as b vent or type b vent
• Some common applications may include warm air furnaces, tank water heaters, residential boilers, common vented appliances and more
• Used on gas-fired category I natural draft appliances

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Enables the angle of the 3 ft. Dia vent run to be adjusted up to 90 from vertical, all vent runs must return to vertical before termination
• Aluminum inner wall and galvalume outer wall construction that features an industry leading twist-lock design
• 1 in. clearance to combustibles in a single or multi-family dwelling applications

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Allows a 3 in. Dia b-vent run to be increased to 4 in. for added draft
• Aluminum inner wall and galvalume outer wall construction that features an industry leading twist-lock design
• 1 in. clearance to combustibles in a single or multi-family dwelling applications

Use to vent condensing appliances. Includes 1 Locking Clamp. PolyPro is an engineered alternative for condensing gas appliances. Engineered for venting, it is easier and faster to install than PVC, saving the contractor time and money. Polypropylene has a higher operating temperature limit of 230 degree F/110 degree C (PVC is 149 degree F/65 degree C max and CPVC is 194 degree F/90 degree C). PolyPro is engineered with a condensation management system.

• 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
• 0 in. clearance to combustibles for exhaust temperatures up to 194 degree F / 90 degree C and 0 in. clearance for vertical installations up to exhaust temperatures of 230 degree F / 110 degree C and 1/4 in. / 6mm clearance to combustibles for horizontal installations at exhaust temperatures up to 230 degree F / 110 degree C
• Check with appliance manufacturer, Intertek / ETL Listed to ULC-S636 Listed as a class IIA, IIB, and IIC vent system
• PolyPro is an environmentally safe and engineered alternative, for condensing gas appliances
• Engineered for venting, it is 100% recyclable, and contains no toxic or carcinogenic materials, chlorides, or heavy metals
• PolyPro does not release hazardous gases during combustion, and has been used safely throughout Europe for over 20 years
• PolyPro is engineered with a corrosion-free, condensation management system
• Rigid pipe constructed of 2.2 mm (minimum) thick PolyPro
• Easy to install lightweight, assembles quickly, can be disassembled for inspection or cut to desired length
• Gasketed joint system, no adhesives nor primers required, no curing times and no special training, no mess

Type B Gas Vent designed to the demands of the common category I appliance installation. Dura Cap is required where the pipe terminates above the roof line. Use for vertical installations only.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation, an innovative system for a lock tight connection called DuraLock
• 1 in. clearance to combustibles in single and multi-family dwellings
• Available in 3 in. to 8 in. Dia
• Limited lifetime warranty
• Listed to UL 441, UL 1777 and ULC S628

The 4 in. Steel Round Storm Collar is made of durable, galvanized steel and designed to be applied above the flashing to provide a weatherproof seal of the pipe above the roofline. It is die-formed to assure uniform sizing for strong, easy-to-connect joints. A locktab feature offers the option of installation without sheet-metal screws. This Type B fitting is designed for use on approved gas appliances in residential, light commercial and industrial applications. It is UL listed for safety in accordance with NFPA standards.

• Strong, durable galvanized steel
• For use above the flashing to provide a weatherproof seal of the pipe above the roofline
• Locktab feature can be used instead of sheet-metal screws for ease of installation
• Uniform sizing for strong, easy-to-connect joints
• Tested and listed per UL 441 for installation in single and multi-story buildings

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Allows 4 in. Dia DuraVent brand b-vent to be attached to the bottom of a different brand b-vent like Selkirk or metal fab back to the appliance
• Aluminum inner wall and galvalume outer wall construction that features an industry leading twist-lock design
• Maintains UL Listing for both brands of b-vent

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and Liquified Propane (LP) category I appliances with a draft hood
• Connects two 4 in. Dia b-vent flues to common vent to a larger 5 in. Dia b-vent to handle increased exhaust volume
• Aluminum inner wall and galvalume outer wall construction that features a industry leading twist-lock design
• 1 in. clearance to combustibles in a single or multi-family dwelling applications

The 4 in. Steel Male Universal Gas Vent Adapter is a Type B round fitting designed for approved gas appliances in residential, light commercial and industrial applications. It is made of strong, durable galvanized steel. The ends are die-formed to assure uniform sizing for strong, easy-to-connect joints. A locktab feature offers the option of installation without sheet-metal screws. It is UL listed for safety in accordance with NFPA standards.

• Strong, durable galvanized steel outer pipe
• For use on approved gas appliances
• Locktab feature can be used instead of sheet-metal screws for ease of installation
• Ends are die-formed to assure uniform sizing for strong, easy-to-connect joints
• Tested and listed per UL 441 for installation in single- and multi-story buildings

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Adds 22.5 in. L to a 4 in. Dia installation
• Aluminum inner wall and galvalume outer wall construction that features a industry leading twist-lock design
• 1 in. clearance to combustibles in a single or multi-family dwelling applications

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Adds 3 in. to 10 in. of adjustability to a 4 in. Dia b-vent run
• Aluminum inner wall and galvalume outer wall construction that features a industry leading twist-lock design
• 1 in. clearance to combustibles in a single or multi-family dwelling applications

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.

• Use with natural gas and liquified propane (LP) category I appliances with a draft hood
• Enables the angle of the 4 in. Dia vent run to be adjusted up to 90 degree from vertical, all vent runs must return to vertical before termination
• Aluminum inner wall and galvalume outer wall construction that features a industry leading twist-lock design
• 1 in. clearance to combustibles in a single or multi-family dwelling applications

Double Wall Construction

• Non-Positional Locking System Makes Installation A Snap
• No Tools Required For Disassembly