3" x 24" Round Pipe, Type B Gas Vent

The Hart & Cooley 016004 Round Type B Gas Vent Pipe (Model 3RP24) is a precision-fabricated venting component engineered for use in natural gas and propane-fired heating systems. This 24-inch section of 3-inch diameter vent pipe provides a secure, code-compliant flue connection for Type B gas vent assemblies. Constructed with a double-wall aluminum inner liner and galvanized steel outer casing, the 3RP24 ensures corrosion resistance, structural stability, and dependable performance under high-temperature operating conditions in both residential and commercial mechanical applications.

Details

• Model Number: 016004
• Manufacturer: Hart & Cooley
• Product Type: Round Type B Gas Vent Pipe
• Series: RP
• Part Number: 114798
• Nominal Diameter: 3 inch (ID)
• Outside Diameter (OD): 3-1/2 inch
• Length: 24 inch (2 feet)
• Wall Thickness: 0.012 inch
• Material: Double-wall construction with aluminum inner liner and galvanized steel outer wall
• Connection Type: Twist-lock joint for secure, tool-free assembly
• Application: Type B vent systems for gas-fired appliances such as furnaces, boilers, and water heaters
• Temperature Rating: Continuous operation up to 480 °F flue gas temperature
• Orientation: Suitable for both vertical and horizontal venting configurations
• Compliance: UL 441 Listed; conforms to NFPA 54 (National Fuel Gas Code) and local mechanical code requirements

Professional Specifications

The Hart & Cooley 3RP24 vent pipe section is designed for efficient flue gas exhaust and mechanical durability within Type B vent systems. The aluminum inner liner promotes smooth airflow and resists corrosion from acidic condensates, while the galvanized steel outer wall provides reinforcement and environmental protection. The double-wall construction minimizes surface temperature, maintaining safe clearance to combustible materials. Precision-rolled twist-lock ends allow for quick, gas-tight assembly without the use of tools or sealants. Each section is manufactured under strict dimensional tolerances to ensure proper alignment and compatibility with all Hart & Cooley RP Series vent components and accessories.

Summary

The Hart & Cooley 016004 (3RP24) 3-inch Type B Round Gas Vent Pipe provides a UL-listed, code-compliant venting solution for professional HVAC and mechanical systems. Its 24-inch length, aluminum-steel double-wall construction, and precision twist-lock design ensure safe, reliable, and long-term performance in gas-fired venting applications.