Gray North 8×8 Start Collar 2″ Rise S&D Rectangular MFG#8X8-151SD

8×8 Rectangular Start Collar – 2″ Rise – Slip & Drive

Gray North | MFG# 8X8-151SD | Galvanized Steel HVAC Fitting

This 8″ x 8″ rectangular start collar with 2-inch rise is designed for branch take-offs from rectangular trunk duct in HVAC supply and return systems.

The raised 2″ design provides proper airflow transition and clearance from the trunk line, while the Slip & Drive (S&D) connection ensures secure and efficient field installation.

Manufactured from heavy-duty galvanized steel, this start collar delivers durability, corrosion resistance, and long-term performance in residential and commercial duct systems.

Key Features:

• 8″ x 8″ Rectangular Opening

• 2″ Raised Collar Design

• Slip & Drive Connection

• Pittsburgh Seam Construction

• Heavy-Gauge Galvanized Steel

• Ideal for Rectangular Branch Take-Offs

Common Applications:

• Branch duct take-offs from trunk lines

• Supply air duct connections

• Return air branch runs

• Commercial & residential HVAC installations

Pairs with rectangular trunk duct, transitions, and elbows for complete duct fabrication systems.

Ideal for HVAC contractors and sheet metal installers.

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.