Aprilaire 12" x 26" Rectangular Side Mounted Damper

12" x 26" Rectangular Side Mounted Damper Applications: Compatible with Aprilaire Zoned Comfort Control system. Dampers are designed to work in low pressure systems (less than 1.0" w.c.) Electrical Ratings: Two wire; power closed/spring open; 24 VAC 6W, 60Hz synchronous type motor, 12VA, impedance protected for continuous stall capability without electrical or mechanical damage. Damper comes with motor mounted. Note: Image may not be actual representation of item.