Johnson Controls A421ABC-02C Electronic Temperature ControlThe Johnson Controls A421ABC 02C Electronic Temperature Control delivers precise temperature management for HVAC and refrigeration systems. Built for reliability in demanding commercial environments, this 1 stage controller supports flexible installation with DIN Rail and surface mounting, and includes the A99BB 200C temperature sensor for immediate setup. It is designed for 1 stage refrigeration and HVAC applications. Equipped with a Type 6 foot 7 1

repeatable performance in demanding environments

The 440-volt rating ensures safe operation in high-demand circuits

this limit switch ensures consistent safety operation in your heating system

it senses temperature accurately across a wide range

Whether upgrading legacy equipment or specifying new builds

Includes air valve

and humidity-related issues

includes tap and plug

228 Watt power draw

chemical processing

Input: 115 Volts

a reliable 24VAC control relay engineered for HVAC