4" Draft Hood Connector, 4RDH Series, Type B Gas Vent

Hart & Cooley 4" Draft Hood Connector – Secure Connection for Type B Gas Vent Systems

The Hart & Cooley 4" Draft Hood Connector is designed to provide a dependable connection between draft hoods and Type B gas vent systems. Built for precision and safety, this connector maintains proper venting performance in residential and light commercial gas appliance installations.

Performance and Application

Correct venting is critical for the safe operation of natural draft appliances. This connector is engineered to ensure secure alignment and support of the vent system, maintaining efficient airflow while minimizing the risk of flue gas leakage. Suitable for furnaces, boilers, and water heaters that require a 4-inch diameter Type B gas vent connection.

Key Features

• Galvanized Steel Construction: Provides corrosion resistance and long service life in standard venting environments.
• Precise Sizing: Manufactured to 4" inner diameter with slightly larger outer diameter for secure fit.
• Type B Gas Vent Rated: Meets UL 441 standards for gas vent systems.
• Factory-Formed Ends: Allows fast, accurate installation with compatible Hart & Cooley vent sections.
• Airflow Integrity: Designed to maintain consistent draft for efficient appliance operation.

Technical Specifications

• Nominal Size: 4 inch ID
• Outer Diameter: 4-1/2 inches
• Length: 6 inches
• Material: Galvanized steel
• Listing: UL 441, Type B gas vent

Installation Notes

Installation of draft hood connectors must comply with local mechanical and fuel gas codes. While the connector is manufactured for straightforward fitment, professional installation is strongly recommended to verify secure engagement and to confirm system compliance. Joints should be properly supported and inspected to prevent misalignment or flue gas spillage.

For Contractors

The Hart & Cooley 4" Draft Hood Connector is engineered to reduce installation time while maintaining code compliance. Its precise dimensions and factory-formed ends provide reliable connections, limiting rework and ensuring safe vent system performance.

For Maintenance Applications

When replacing existing components, ensure venting systems are free of obstructions and that the connector is installed with proper clearances to combustibles. This connector integrates easily with Hart & Cooley vent sections, providing continuity of system performance.

Summary

The Hart & Cooley 4" Draft Hood Connector is a code-listed, precision-built component for Type B gas vent systems. With durable galvanized steel construction, secure fit, and compliance with UL venting standards, it provides the reliability professionals require for safe and efficient gas appliance installations.