Single & Dual Function Electromechanical Pressure Controls

Choose from a variety of pressure ranges in different electrical ratings and switch configurations

Whether you’re looking for dual, high, low, or steam pressure controls, PENN® has a variety of options to meet your commercial refrigeration and HVAC applications. Every pressure control is precisely engineered to stand up to your toughest demands and provide accurate, reliable control 24/7.

Products

P20 Adjustable pressure switch

The P20 series compact high/low limit controls are designed for non‑corrosive refrigerants and fit well in commercial or residential AC units, heat pumps, small chillers, ice machines, and other space‑restricted applications. They come factory‑set and are available in both auto‑reset and manual‑reset models.

P77 Series adjustable single pressure switch IP54

P77 is a pressure control with alarm contacts for control or limit use. Standard models use bronze and brass; ammonia models use stainless steel. HP models have a fail-safe design and all are IP54 rated for broad use.

P78 Series adjustable dual pressure switch IP54

P78 is a pressure control with alarm contacts (except P78ALA). Standard models use bronze and brass; ammonia models use stainless steel. High-pressure models have double bellows and all are IP54 rated.

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