EWC® Ultra-Zone® ND 248ND Zone Damper, 8 in Dia, Rectangular, 18 in-lb

The ND Series of Ultra-Zone® dampers was designed with the installer and home owners in mind. This rectangular damper is easy to install and easy to checkout. The LED display allows the installer to visually check the damper operation and open/closed status. A sturdy aluminum frame increases the ease of installation and the nylon bushings ensure quieter operation. The long life motor for the ND damper is driven by 18 in-lb of torque, possesses a manual gear release, 3-wire power open/power closed operation and fail-safe LED's for quick diagnostic checks. It is 40 s open/close. The motor is UL listed and NEMA class 2 certified. The easy access, quick connecting terminal block eliminates the need for wire nuts and allows for trouble-free use. An optional end switch is available if remote status is required. The ND damper has a 97% leak-proof rating. Overlapping blades and a strong positive shut-off motor insures accurate control of all zones. The ND dampers combined with an Ultra-Zone® zoning system provides the most comfortable and reliable system in the industry.

EWC® Ultra-Zone® Zone Damper, Model: ND, 8 in Dia, 18 in-lb Torque, Rectangular Shape, 24 in Length

• Nylon shaft provides thermal barrier to eliminate condensation
• Blade shaft notched to indicate blade position
• Min/Max open and close adjustable set points

• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/EWC_248ND_Specification_Sheet.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/EWC_248ND_Specification_Sheet.pdf