Johnson Controls T-4000-2142 Plastic Cover Key Benefits Long Radius Geometry:

Key Benefits Long Radius Geometry: Minimizes friction loss and optimizes flow velocity in large-diameter HVACR lines

This beige plastic thermostat cover facilitates precise environmental monitoring and adjustment in commercial HVAC pneumatic control systems

The most common culprits are restricted airflow from a dirty air filter

As a genuine OEM replacement part for York

Its compact snap-disc design allows for rapid response times and direct integration with Source 1 control circuits

Johnson Controls T-4000-2142 Plastic Cover Key Benefits Long Radius Geometry:The Johnson Controls T 4000 2142 is a professional grade horizontal pneumatic thermostat cover designed specifically for the T 4000 series. This beige plastic thermostat cover facilitates precise environmental monitoring and adjustment in commercial HVAC pneumatic control systems. Engineered for horizontal mounting, it features an integrated Fahrenheit and Celsius thermometer and a single setpoint window to ensure clear visibility of system