Johnson Controls T-4000-2151 Plastic Cover ensuring the sensor sits correctly

ensuring the sensor sits correctly in the airstream to provide accurate thermal feedback to the control board

it features refined material composition to handle high-pressure hydronic applications

It should only be used as a direct replacement for the part numbers specified in your equipment’s service manual

Durable Solid-State Design: No moving parts ensures long-term reliability in high-vibration HVACR environments

Johnson Controls T-4000-2151 Plastic Cover ensuring the sensor sits correctlyJohnson Controls T 4000 2151 Beige Plastic Cover, Includes Thermometer, Vertical, Includes Dial Scales in both Fahrenheit and Celsius, No Setpoint Window