Johnson Controls A28AA-4 Temperature Control Els PW 17895 Simplified field assembly process for

Simplified field assembly process for 1/2" through 6" valve sizes

8 Watts for efficient electrical performance across varying load conditions

maximizing system uptime and operational efficiency in large-scale hydronic loops

Common indicators include the furnace inducer motor running continuously without ignition

By utilizing a high-damping elastomer

Johnson Controls A28AA-4 Temperature Control Els PW 17895 Simplified field assembly process forThe 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