Description
Aprilaire Ventilation Control System, 6 Inch, 18-30 VAC Controller, 24 VAC Damper, 1 A Controller, 0.41 A Damper, 1 hr, 2-Wire, 0 – 100 deg F, Includes: Transformer, 8120X Ventilation Controller, 6 Inch Diameter Power Open and Normally Closed Damper|If the outdoor air temperature is below 0 deg F or above 100 deg F, th
