Johnson Controls A421AET-01 Temperature Control 322838-752 C) above the setpoint

C) above the setpoint

Technical FAQ Is the AL-190 compatible with 1/8" NPT fittings

analog temperature controller engineered for commercial food service and light industrial thermal management

utilizing this genuine blower wheel ensures the system operates within its original factory specifications for CFM output and decibel ratings

Silicon nitride construction provides a faster heat-up time and a longer operational lifespan than standard carbide igniters

Johnson Controls A421AET-01 Temperature Control 322838-752 C) above the setpointThe 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