Johnson Controls A28AK-1C SKU: A28AK-1C $287.06 $644.35 (0)No Reviews yet Quantity -+ Add to Shopping Cart Call for Lead Time Details Johnson Controls A28AK-1C : Two-Stage Flange Mounted Duct Thermostat, 30 to 110 Deg F (0 to 43 C), Fixed Differential, 2 Deg F (1.1 C) Each Stage 3 De... Data Sheet DetailsData Sheet Back Johnson Controls A28AK-1C : Two-Stage Flange Mounted Duct Thermostat, 30 to 110 Deg F (0 to 43 C), Fixed Differential, 2 Deg F (1.1 C) Each Stage 3 Deg F (1.7) Between Stages, 2x SPDT Back Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review