Johnson Controls A421AEC-01C Electronic Temperature ControlThe 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

Operating temperature ranges from -22 to 122 °F

faster repairs

Its robust design ensures reliable performance even under variable inlet temperatures and flow rates

Control signal: 2-Position (On/Off) Proportional

supports maintenance schedules

This Electronic Remote Temperature Controller delivers reliable relay operation with 2 SPDT outputs and built-in reset capabilities for precise climate control

it delivers a snug fit with minimal air bypass and reduces maintenance interruptions

OEM-replacement: Replaces 1175705 for easy upgrading

It provides consistent performance across a range of temperatures and operating cycles

Integrated CO2 testing kit with Fyrite Classic (0–20% CO2) for precise readings

it provides precise temperature monitoring and a quick reset after cooling

It provides a primary voltage of 250 V AC and a secondary voltage of 10