Johnson Controls T-4000-2145 Plastic Cover protecting the motor windings from

protecting the motor windings from premature failure due to voltage instability

including fast and slow-opening models

and Ducane HVAC units

and 8201-050BX

Johnson Controls T-4000-2145 Plastic Cover protecting the motor windings fromThe Johnson Controls T 4000 2145 Plastic Cover is a professional grade replacement engineered specifically for T 4000 series pneumatic thermostats. This beige thermostat cover is designed for vertical mounting applications and provides a clean, secure finish for your field installations. Featuring a single set point window, it allows for immediate visual verification of thermostat settings without the need to remove the housing, streamlining routine