4" x 6" Round Pipe, Type B Gas Vent

The Hart & Cooley 016106 Round Type B Gas Vent Pipe (Model 4RP6) is a precision-manufactured venting component designed for use in natural gas and propane-fired appliance systems. This 6-inch section of 4-inch diameter vent pipe provides a secure, code-compliant connection within Type B gas vent assemblies. Built with a double-wall aluminum and galvanized steel construction, the 4RP6 ensures long-term structural integrity, corrosion resistance, and consistent flue performance under continuous high-temperature operation.

Details

• Model Number: 016106
• Manufacturer: Hart & Cooley
• Product Type: Round Type B Gas Vent Pipe
• Series: RP
• Part Number: 1834098
• Nominal Diameter: 4 inch (ID)
• Outside Diameter (OD): 4-1/2 inch
• Length: 6 inch
• Wall Thickness: 0.012 inch
• Material: Double-wall construction with aluminum inner liner and galvanized steel outer casing
• Connection Type: Twist-lock joint system for positive mechanical engagement
• Application: Type B vent systems for natural gas and LP appliances such as furnaces, boilers, and water heaters
• Temperature Rating: Continuous operation up to 480 °F flue gas temperature
• Compliance: UL 441 Listed; conforms to NFPA 54 (National Fuel Gas Code) installation requirements

Professional Specifications

The Hart & Cooley 4RP6 vent pipe section is designed for precise fitment and performance within Type B gas venting systems. The aluminum inner liner resists corrosion and promotes efficient exhaust flow, while the galvanized steel outer wall provides mechanical strength and protection against environmental exposure. The double-wall configuration reduces external surface temperature, ensuring safe clearance to combustibles as required by code. Twist-lock connections allow fast, tool-free assembly while maintaining a secure, leak-resistant joint. Each section is manufactured to strict dimensional tolerances for compatibility with other RP Series components and vent fittings.

Summary

The Hart & Cooley 016106 (4RP6) 4-inch Type B Round Gas Vent Pipe delivers a durable, UL-listed solution for professional venting installations. Its 6-inch length, double-wall aluminum-steel construction, and precision twist-lock design ensure safe, efficient, and code-compliant performance in gas appliance flue systems.