A421 Series Electronic Temperature Controls
These controls are single-stage, electronic temperature controls with a Single Pole, Double Throw (SPDT)output relay. The A421 models feature bright backlit LCD with adjustable brightness and a three button touchpad interface that can be set up to restrict user adjustments. An LCD indicates the output relay’s On/Off status. Standard A421 Series Control models have simple On and Off settings for heating or cooling, an adjustable anti-short cycle delay, temperature setback, and sensor offset capability. The temperature control range is -40 to 212F Used to control a wide variety of single-stage refrigeration or HVAC equipment.
Click below to view the product specification sheet and additional product information.
A421 Series Standard Specification sheet