3" x 12" Round Pipe, Type B Gas Vent

The Hart & Cooley 016006 Round Type B Gas Vent Pipe (Model 3RP12) is a precision-engineered venting component designed for professional installation in natural gas and propane-fired appliance systems. This 12-inch section of 3-inch diameter vent pipe provides a secure, code-compliant flue connection within Type B vent assemblies. Constructed with a double-wall design utilizing an aluminum inner liner and galvanized steel outer casing, the 3RP12 ensures dependable performance, mechanical integrity, and corrosion resistance under continuous high-temperature operation.

Details

• Model Number: 016006
• Manufacturer: Hart & Cooley
• Product Type: Round Type B Gas Vent Pipe
• Series: RP
• Part Number: 114796
• Nominal Diameter: 3 inch (ID)
• Outside Diameter (OD): 3-1/2 inch
• Length: 12 inch (1 foot)
• Wall Thickness: 0.012 inch
• Material: Double-wall construction with aluminum inner liner and galvanized steel outer wall
• Connection Type: Twist-lock joint system for secure mechanical engagement
• Application: Type B vent systems for natural gas and LP-fired appliances including furnaces, boilers, and water heaters
• Temperature Rating: Continuous operation up to 480 °F flue gas temperature
• Orientation: Suitable for vertical and horizontal venting configurations
• Compliance: UL 441 Listed; conforms to NFPA 54 (National Fuel Gas Code) and applicable local mechanical codes

Professional Specifications

The Hart & Cooley 3RP12 vent pipe section is designed to provide efficient flue gas conveyance and maintain system integrity in Type B gas venting applications. The aluminum inner liner offers smooth internal airflow and corrosion resistance against flue condensate, while the galvanized steel outer casing provides structural rigidity and environmental protection. The double-wall configuration minimizes heat transfer, ensuring compliance with required clearances to combustibles. Precision-formed twist-lock connections enable rapid, tool-free installation and a gas-tight fit between adjoining vent sections. Each piece is manufactured under strict quality control to guarantee dimensional uniformity and compatibility across the RP Series product line.

Summary

The Hart & Cooley 016006 (3RP12) 3-inch Type B Round Gas Vent Pipe delivers a durable, UL-listed venting solution for professional HVAC and mechanical installations. Its 12-inch length, double-wall aluminum and steel construction, and precision twist-lock design ensure reliable, code-compliant performance in residential and commercial gas vent systems.