Building Efficiency

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►	PENN® Refrigeration Controls

▼	Modular Control Systems

•	System 350 Modular Control

•	System 450 Modular Control

•	Accessories

•	A99B Series: Temperature Sensors

•	P499 Series: Electronic Pressure Transducers

•	HE-67 Series

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Products & Solutions

Modular Electronic Control Systems

System 450 Accessories

A99B Series: Temperature Sensors
The A99B sensor incorporates a PTC silicon-sensing element whose resistance
increases with an increase in temperature.
Catalog Page ... LIT-1922625
Product/Technical Bulletin ... LIT-125186

P499 Series: Electronic Pressure Transducers
The P499 Series Electronic Pressure Transducers are compact, economical, rugged, direct-mount pressure transducers designed for use in commercial refrigeration and air conditioning applications.
Catalog Page... LIT-19004045
Product Bulletin ... LIT-1201190

HE-67 Series: Humidity Element with Temperature Sensors
The HE-67xx Series Humidity devices house both a humidity and a temperature sensor in a wall or duct-mount style.
Catalog Page ... LIT-1900122
Product Bulletin (T_^RUERH^TM Series) ... LIT-216245
Product Bulletin ... LIT-930090

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Modular Electronic Control Systems

System 450 Accessories