Digital control pressure independent external round retrofit terminals can upgrade those old existing HVAC systems to current standards of energy efficiency and comfort. They are designed to easily convert the old system powered or constant volume systems to energy efficient variable volume systems. They can also be used in newly designed systems as measuring devices and exhaust control valves.

Steel double deflection supply grille, 3/4" blade spacing, front blades parallel to short dimension FEATURES AND BENEFITS Available with front louvers vertical or horizontal Optional opposed blade damper has screwdriver adjustment accessible through face of register Front and rear louvers are individually adjustable Insect and debris screens are not available when dampers are fitted Material is steel #8 x 11/4” lg. Phillip’s flat head sheet metal screws (painted) All dimensions are ± 1/16”

Steel Single Deflection Return Grille with ¾” blade spacing, 35° fixed deflection, Blades parallel to the long dimension