Description
The Johnson Controls A28AJ-4 Temperature Control is a reliable and programmable unit, which can be sued comfortably for managing the temperature of HVAC systems. Other uses include heating and cooling, and it operates in a temperature range of between 20 degrees Fahrenheit and 80 degrees Fahrenheit. Because of its twin SPDT switch, the control works with precision and speed. This ensures correct temperature measurement and flexibility in installation with a 6’ capillary and a 22” bulb. Commercial ventilation, air conditioning equipment such as air handlers, rooftop units & refrigeration equipment often use the A28AJ-4. It extends system duration and productivity by helping in achieving the appropriate temperature parameters.









