Johnson Controls A421GBF-02 SPDT Electronic Temperature Control 6' Sensor NEMA-1 -40°F-212°F 24V

The Johnson Controls A421GBF-02 Electronic Temperature Control is used for controlling temperature in HVAC systems. It has an SPDT switch has a power supply of 24V and is housed in a NEMA-1 enclosure. This control is suitable for heating and cooling applications and has features such as energy saving, and anti-short cycle delay to reduce equipment damage and allows for setting to be made to achieve better results. It is mostly used in refrigeration units, air handlers, and furnaces to maintain the steady operation of the system and increase its durability due to its precise electronic control.