Duravent 0512ADJ B-vent Round Adjustable Pipe 5x12 in

Product Description

The DURAVENT 0512ADJ is a round adjustable B-vent pipe section designed for natural gas and propane appliance venting applications. The pipe has a nominal diameter of 5 inches and an overall length of 12 inches, with an adjustable range from 3.5 inches to 10.5 inches. This adjustability allows the installer to fine-tune the section length to fit the exact spacing needed within a vent system without cutting. Licensed HVAC technicians and plumbers install this type of component when connecting gas-fired furnaces, water heaters, boilers, or other Category I appliances to a Type B double-wall vent system.

This adjustable pipe section is suited for residential and light commercial venting installations where a fixed-length section would not bridge the gap between two vent components cleanly. It is used in vertical and near-vertical B-vent runs where the appliance draft hood collar connects to the main vent stack. The 5-inch diameter fits vent systems sized for mid-range BTU input appliances. Contractors use adjustable sections like this during new installations and service replacements when existing vent routing requires precise field fitting.

Key Features

• Adjustable length from 3.5 inches to 10.5 inches within a 12-inch nominal section
• 5-inch round diameter for mid-range residential and light commercial vent systems
• Type B double-wall construction suitable for Category I gas appliance venting
• Field-adjustable design eliminates cutting during installation
• Compatible with standard B-vent system components of matching diameter

Compatibility

Designed as an OEM-style replacement or new-installation component for Type B double-wall gas vent systems with a 5-inch nominal pipe diameter.

Installation Notes

Installation should be performed by a licensed HVAC technician or plumber in accordance with the appliance manufacturer instructions and applicable local codes, including the International Fuel Gas Code (IFGC). Shut off the gas supply and allow the appliance to cool completely before disconnecting any vent sections. Ensure all joints are fully seated and secured per the vent system manufacturer guidelines. Do not use Type B vent pipe for high-temperature Category III or Category IV appliance exhaust applications.

Technical Specifications

• Pipe Diameter: 5 inches
• Nominal Section Length: 12 inches
• Adjustable Length Range: 3.5 inches to 10.5 inches
• Vent Type: Type B Double-Wall B-Vent
• Shape: Round

Standard Information

• Brand: DURAVENT
• Manufacturer Part Number: 0512ADJ