The Galvanized Steel Ring Collar from Hart & Cooley is designed to make HVAC installation faster, simpler, and more reliable. Built with a unique snap-in design and a 2-inch high collar, this versatile component provides secure, airtight connections between flexible ducts and plenums while reducing time and labor on the job site.
Available in multiple diameter sizes, the HVAC collar offers a solution that fits a wide variety of residential and light commercial applications. Engineered for ease of use, this steel collar requires no special tools for installation, accessible to professionals of all experience levels.
Beyond convenience, the ring collar is built to perform. Its bead reinforcement strengthens the connection and helps retain flexible ducts securely. The snap-lock seam creates a permanent joint that can be sealed with mastic, sealant, or tape for airtight performance, minimizing leakage and improving system efficiency. Smooth interior surfaces reduce turbulence and resistance, helping HVAC systems run more effectively while supporting energy savings for the end user.
Constructed from durable galvanized steel, the design resists corrosion and is built to last. As a pre-fabricated component manufactured to precise specifications, it delivers consistent quality and long-term reliability. Trusted since 1901, Hart & Cooley continues to provide professional-grade solutions that balance speed, performance, and durability for today’s HVAC professionals.
- Galvanized steel collar features a snap-in design for secure, easy-install duct connections; No special tools required
- Durable galvanized steel resists corrosion to ensure long-lasting performance in demanding HVAC environments
- Smart snap-in design includes a 2-inch high collar for easy flex connections
- Bead on collar improves the strength and provides retention for flexible duct connections
- Snap-lock collars are designed to reduce air leakage from ductwork for higher HVAC efficiency and lower energy costs
- Available in a variety of sizes (6, 7, 8, 9, 10, 12, 14, 16, 18 inch diameters) to fit a wide range of duct applications
- Metal collar can be used on T-bar products with a molded fiberglass back panel; Attachment requires 5400PP push pins for proper installation
- Hart & Cooley has been a trusted name in HVAC since 1901, delivering reliable, professional-grade air distribution products built for performance and durability
- Color: Silver
- Collar dimensions: 10 x 10 x 2 inches
- Overall dimensions (L x W x H): 14 x 14 x 2 inches
- Weight: 1 pound
Questions? We’ve Got Answers.
Helpful answers about product features, setup, and more
What material is the duct connector made of?
The duct connector is constructed from steel. This material choice supports everyday use while maintaining the structural integrity needed for the product’s intended applications.
What are the dimensions of the duct connector?
The duct connector measures 10 x 10 x 2 inches (length x width x height). Use these measurements to confirm the product fits your intended setup before ordering.
How do I clean and care for the duct connector?
Wipe with a damp cloth and dry thoroughly to prevent rust. For powder-coated finishes, avoid abrasive cleaners that may scratch the coating. Regular light cleaning extends the lifespan of the duct connector and keeps it looking and performing well over time.
Who makes the duct connector?
The duct connector is made by Hart. Hart produces this item as part of its lineup, and product details such as specifications, included accessories, and warranty terms are set by the brand.
How much does the duct connector weigh?
The duct connector weighs approximately 1 pounds. Use this figure when planning transport, handling, or placement of the item.
What should I know about the duct connector before buying?
The duct connector from Hart brings together a few practical features worth highlighting:
- steel construction
Review the product description and specifications to confirm it matches your specific needs before placing your order.


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