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The HART COOLEY 011911 is a steel floor return air grille designed for residential and light commercial HVAC duct systems. It measures 16 inches by 24 inches with an overall footprint of 17-13/16 inches wide by 25-13/16 inches tall and 1-11/16 inches deep. The grille features a Golden Sand enamel finish over a rigid steel body, delivering a smooth, flat walking surface suitable for floor-level return air applications. Free area averages over 75 percent, supporting efficient airflow through the return side of the system. HVAC installers and sheet metal contractors are the typical trades handling this grille.
This grille is intended for floor-mounted return air openings in forced-air HVAC systems. The 1/2-inch by 2-inch fin spacing pattern maintains structural rigidity while allowing adequate airflow. The smooth surface face makes it appropriate for high-traffic floor locations where occupants may step on or near the grille. It fits standard residential duct openings sized for a 16-inch by 24-inch nominal grille cutout. No damper is included; this is a fixed, non-adjustable return air grille.
Designed as an OEM-style replacement or new-installation floor return air grille for forced-air HVAC systems using a 16-inch by 24-inch nominal return air opening.
Installation is typically performed by a licensed HVAC technician or sheet metal contractor. Power the air handler or furnace off at the disconnect before removing an existing grille or working near the duct opening. Secure the grille with screws through the mounting flange into the subfloor or duct frame as appropriate. Verify the duct opening dimensions match the nominal 16-inch by 24-inch size before installation to ensure a proper fit.
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