Discover our library some of the most popular and innovative solutions PENN® has to offer.

Family of Pressure and Temperature Controls

Designed to meet a wide array of industrial needs, the comprehensive, versatile PENN® range of pressure and temperature controls includes Encapsulated Pressure Controls, Electromechanical Pressure Controls, and Electronic Pressure and Temperature Controls.

Introducing System 550

System 550 is a powerful, multi-stage control solution that provides a combination of temperature, humidity and pressure control along with plug-and-play compliance for A2L refrigerant leak detection and mitigation. When it comes to modular electronic controls, nothing matches the power, versatility, and value that System 550 provides.
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Hear directly from Keith Gifford, Global Product Manager on the most popular PENN® products and solutions.

TC Series Electronic Case Temperature and Defrost Controllers

Remove the risk of guesswork with PENN® TC Series Refrigeration and defrost Controllers, a full line of microprocessor-based, programmable operating controls for commercial refrigeration equipment.
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A421 Electronic Temperature Controls

These single-stage controls have a single-pole, double-throw (SPDT) output relay. Standard modules have simple on/off settings for heating or cooling, an adjustable anti-short cycle delay, temperature setback, and sensor offset capability.
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Hitachi ZS Series Scroll Compressor

Offered in partnership with Johnson Controls-Hitachi, our ZS series horizontal scroll compressors are lightweight, low-profile and deliver a higher capacity and greater efficiency than reciprocating and rotary compressors.
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PENN® System 450 Modular Electronic Controls

The PENN® System 450 is a family of modular, electronic controls, that provide reliable temperature, pressure, and humidity control. They serve a wide variety of applications, from walk-in coolers to greenhouses, boilers and more.
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