Johnson Controls A28AA-4 Temperature Control 30067439-890 and lighting circuits with ease

and lighting circuits with ease

Is this kit compatible with two-stage valves

maintaining flow in critical heating or cooling loops

this unit features a robust ceramic base measuring 1-1/4" wide and 5

the strap-on configuration eliminates the need for draining the system or installing thermal wells

Johnson Controls A28AA-4 Temperature Control 30067439-890 and lighting circuits with easeThe Johnson Controls A28AA 4 is a heavy duty two stage temperature control designed for versatile HVAC applications requiring sequenced switching. This electro mechanical thermostat features dual SPDT switch action, allowing for precise control over two separate circuits based on temperature fluctuations. With a wide 30 to 110 degree setpoint range and a multi voltage capacity of 120 208 240 277 Vac, it is a standard component for commercial cooling