3" 90 Degree Elbow, Adjustable, Type B Gas Vent

The Hart & Cooley 016009 Adjustable Elbow (Model 3REA90) is a high-performance vent fitting designed for directional adjustment in Type B gas vent systems. This 3-inch, 90-degree adjustable elbow provides precise angular alignment during installation, maintaining vent integrity and compliance with mechanical and fuel gas codes. Constructed from corrosion-resistant materials, it ensures long-term reliability and consistent performance in heating appliance venting applications.

Details

• Model Number: 016009
• Manufacturer: Hart & Cooley
• Product Type: Adjustable Elbow
• Part Number: 114718
• Vent Type: Type B Gas Vent
• Nominal Diameter: 3 inch
• Inside Diameter (ID): 3 inch
• Outside Diameter (OD): 3-1/2 inch
• Angle: 90 degree, adjustable
• Material: Double-wall construction with aluminum inner liner and galvanized steel outer wall
• Connection Type: Twist-lock joint compatible with Hart & Cooley Type B vent components
• Application: Directional change fitting for gas vent systems in furnaces, boilers, and water heaters
• Compliance: UL Listed to UL 441 and compliant with NFPA 54 (National Fuel Gas Code)

Professional Specifications

The 3REA90 adjustable elbow is designed to provide up to 90 degrees of directional adjustment within a vent run, allowing flexible alignment of Type B gas vent sections without field modification. Its double-wall design ensures optimal heat insulation and safe clearance to combustibles, while the precision twist-lock mechanism provides a secure, gas-tight connection. The aluminum inner liner enhances thermal efficiency and corrosion resistance under high-temperature exhaust conditions, while the galvanized steel exterior delivers mechanical strength and environmental protection.

Summary

The Hart & Cooley 016009 (3REA90) 3-inch Adjustable 90° Elbow offers a code-compliant, durable solution for directional transitions in Type B gas vent installations. Its adjustable configuration, double-wall construction, and standardized twist-lock interface ensure dependable performance and simplified assembly for professional HVAC venting applications.