Johnson Controls A421AEC-01C Electronic Temperature Control

The Johnson Controls A421AEC-01C Electronic Temperature Control delivers precise temperature management for 1-stage refrigeration and HVAC systems. Built for reliability, this electronic temperature control helps maintain steady temperatures, optimize energy use, and reduce operating costs in demanding commercial environments. Featuring a rugged NEMA 4X enclosure and simple surface mounting, it stands up to moisture, dust, and minor corrosion while remaining easy to install. The unit ships with an A99BB-25C Temperature Sensor for immediate temperature monitoring and fast, accurate responses.

• Type 9-7/8 inch cable for flexible sensor integration
• Contact rating 120/240 VAC for versatile power options
• Enclosure: NEMA 4X provides splash and dust protection
• Application: 1-stage refrigeration and HVAC control
• Mounting: Surface-mount installation for quick setup
• Includes A99BB-25C Temperature Sensor for immediate monitoring

Designed to perform in commercial environments, this electronic temperature control pairs with compatible sensors and controllers to deliver consistent results. Ideal for technicians seeking durable, easy-to-service temperature control solutions that simplify maintenance and extend equipment life.