Key Benefits for Technicians Optimized Compressor Performance: Specifically engineered as a compressor starting relay to provide the necessary torque for 115V

ensuring a precise fit within the heat plenum where accurate sensing is vital

supporting multiple mounting configurations for faster service calls

It is primarily designed for the Peco T8532 and TA155 series but functions with any controller calibrated for Type 2 thermistors

Johnson Controls T-4000-2139 Cover Key Benefits for Technicians OptimizedThe Johnson Controls T 4000 2139 is a professional grade horizontal thermostat cover designed specifically for the T 4000 Series pneumatic room thermostats. Engineered for sleek, unobtrusive installation, this beige plastic cover features a clean aluminum faceplate without a thermometer window or setpoint adjustment openings. This configuration is ideal for facilities where unauthorized tampering must be minimized while maintaining a uniform aesthetic