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From chillers to food storage – keep cool with PENN A421 Electronic Temperature Controls with Off-Cycle Defrost

As the industry shifts from traditional electromechanical controls to more intelligent controls, the PENN A421 helps ease the transition. The dependable and user-friendly A421 is a simple control that provides improved reliability and accuracy to help you manage your food chain with confidence.  

Greater sensor accuracy allows for faster response time to temperature changes and more stable temperature control, helping to reduce spoilage and protect consumers. The A421 also comes with integrated off-cycle defrost capabilities, eliminating the need for a separate defrost timer.

Features and Benefits of the PENN A421 include:

  • 3-year limited warranty
  • Wider Temperature Range: Optional -40°F (-40°C) to 248°F (120°C)
  • High/Low temperature stops: Restricts temperature adjustments to desired range and saves energy
  • Sensor failure protection: keep equipment running in the event of a sensor failure
  • Superior sensors provide greater temperature accuracy
  • Defrost intervals and temperature setbacks to save energy
  • Watertight corrosion-resistant enclosures
  • Adjustable backlit display makes it easy to read in dark environments
  • Two controllers in one: eliminate the need for a separate defrost timer with integrated off-cycle defrost

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