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.