











20 Hours
20
0
$75.00
Note: KSL, its service providers, and the seller receive data from this message. See our Privacy Notice and TOU for details.
VenmoSelling a brand new, never-installed Greenheck GPI-17-8-G16 Roof Curb. This is a premium commercial HVAC exhaust fan base in perfect, clean, uninstalled condition (open box surplus).
Skipping the commercial supplier lead times and markups—retails online for over $200+. Perfect for a mechanical contractor or HVAC technician who needs a quick, reliable curb for a rooftop project.
Key Factory Specifications:
Model: GPI-17-8-G16 (Galvanized straight-sided construction)
Overall Size: 15.5" x 15.5" square base
Built-in Damper Tray: 8" x 8" (Ready for gravity or motorized backdraft dampers)
Insulation: Factory-installed 1-inch internal thermal insulation to eliminate condensation
Nailer: Includes the top wood nailer strip for direct roof flashing/membrane attachment
Pickup Details:
Available for local pickup.
Cash or Venmo accepted.
Please review the included photo of the manufacturing label to ensure exact spec compatibility with your job drawings.
KSL Classifieds makes it easy to buy and sell with peace of mind. Check our safety tips and quickly report anything that doesn’t look right to keep your experience smooth and secure.












20 Hours
20
0
$75.00
Note: KSL, its service providers, and the seller receive data from this message. See our Privacy Notice and TOU for details.
KSL Classifieds makes it easy to buy and sell with peace of mind. Check our safety tips and quickly report anything that doesn’t look right to keep your experience smooth and secure.












VenmoSelling a brand new, never-installed Greenheck GPI-17-8-G16 Roof Curb. This is a premium commercial HVAC exhaust fan base in perfect, clean, uninstalled condition (open box surplus).
Skipping the commercial supplier lead times and markups—retails online for over $200+. Perfect for a mechanical contractor or HVAC technician who needs a quick, reliable curb for a rooftop project.
Key Factory Specifications:
Model: GPI-17-8-G16 (Galvanized straight-sided construction)
Overall Size: 15.5" x 15.5" square base
Built-in Damper Tray: 8" x 8" (Ready for gravity or motorized backdraft dampers)
Insulation: Factory-installed 1-inch internal thermal insulation to eliminate condensation
Nailer: Includes the top wood nailer strip for direct roof flashing/membrane attachment
Pickup Details:
Available for local pickup.
Cash or Venmo accepted.
Please review the included photo of the manufacturing label to ensure exact spec compatibility with your job drawings.











