Johnson Controls T-4000-2145 Plastic Cover 'Auto' for system control

'Auto' for system control

How do I confirm if the 117U6102 is the correct relay for my SC compressor

With the power off

Key Benefits for the Contractor Optimized Thermal Protection: Fixed 180°F trip point provides a hard-limit safety barrier against overheating in gas-fired furnaces and industrial equipment

Johnson Controls T-4000-2145 Plastic Cover 'Auto' for system controlThe 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