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The HART COOLEY 672m1414w is an all-steel return air grille designed for residential and light commercial HVAC duct systems. Measuring 14 inches by 14 inches, it features fins spaced at 1/2 inch intervals and set at a 40-degree angle to maximize airflow efficiency while maintaining a clean, finished appearance. The 5/16-inch margin turnback allows the grille to overlap standard duct openings for a secure, flush fit. A bright white powder finish blends with standard interior wall and ceiling surfaces. HVAC technicians and installers rely on this grille as a direct return-air termination point in forced-air systems.
This grille is suited for return air applications in residential forced-air systems and light commercial HVAC installations. It mounts to standard wall or ceiling duct openings where a 14-inch by 14-inch face is required. The 40-degree fin angle and tight 1/2-inch fin spacing deliver strong free area performance, reducing static pressure drop on the return side of the air handler. Typical installations include hallway returns, bedroom returns, and central return drops in single-family and multi-family construction.
Designed as an OEM-style return air grille replacement for standard residential and light commercial forced-air duct systems accepting a 14-inch by 14-inch face grille.
Installed by licensed HVAC technicians or qualified installers as part of a forced-air duct system return. Power down the air handler before removing or installing return air grilles to avoid debris ingestion into the blower. Secure mounting screws into the duct frame or wall surface evenly to ensure the margin turnback seats flush and eliminates air bypass around the grille perimeter. Follow local mechanical codes for return air grille placement and clearance requirements.
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