Johnson Controls A421AET-01 Temperature Control R-22 Common Questions Which cores are

Common Questions Which cores are compatible with the P-489 shell

use a WEL14A-602R bulb well or a compatible packing nut to protect the sensing element

Precision Balance: Factory-balanced 3-blade design reduces mechanical stress on the condenser motor shaft and increases the service life of the motor bearings

000 operations

and Payne valve bodies

Johnson Controls A421AET-01 Temperature Control R-22 Common Questions Which cores areThe Johnson Controls A421AET 01 is a line voltage electronic temperature control designed for versatile HVACR applications, providing a reliable alternative to traditional electromechanical thermostats. Operating on 120 240 VAC, this SPDT controller features a broad setpoint range of 40 to 212F, making it ideal for both refrigeration and heating logic. Built with a NEMA 1 enclosure for surface mounting, the unit includes a high visibility front panel