3" Storm Collar, Type B Gas Vent

The Hart & Cooley 016021 Storm Collar (Model 3RS) is a precision-formed component engineered for weather-sealing applications in 3-inch Type B gas vent systems. Designed to provide a watertight barrier between the vent pipe and the roof flashing, the collar prevents moisture intrusion while maintaining the vent’s mechanical and thermal integrity. Constructed from galvanized steel, the 3RS storm collar offers corrosion resistance and long-term durability in exterior vent terminations.

Details

• Model Number: 016021
• Manufacturer: Hart & Cooley
• Product Type: Storm Collar
• Series: RS
• Part Number: 114735
• Vent Type: Type B Gas Vent
• Nominal Size: 3 inch
• Inside Diameter (ID): 3-1/2 inch
• Outside Diameter (OD): 6-5/8 inch
• Material: Galvanized Steel
• Application: Roof termination weather seal for vertical Type B vent installations
• Installation: Installed above vent flashing; sealed with high-temperature silicone or approved sealant to maintain weatherproof integrity
• Compliance: UL Listed per UL 441 for Type B gas vent systems; conforms to NFPA 54 (National Fuel Gas Code)

Professional Specifications

The 3RS storm collar is fabricated from corrosion-resistant galvanized steel for use in outdoor gas venting applications. Its formed design ensures a precise fit around 3-inch Type B vent pipe while allowing for thermal expansion and contraction of the vent system. When properly installed above the flashing, the collar directs water away from the roof penetration, preserving system integrity and preventing moisture infiltration. The unit’s rigid construction provides mechanical stability under environmental loading, ensuring reliable service in professional HVAC installations.

Summary

The Hart & Cooley 016021 (3RS) Storm Collar provides a durable, code-compliant sealing solution for 3-inch Type B gas vent terminations. Its galvanized steel construction, precision-formed design, and weather-resistant performance make it a dependable component in professional venting assemblies.