Overview
The Johnson Controls T-4000-2138 is a beige plastic protection cover designed for T-4000 series pneumatic room thermostats and H-4100/H-5100 series humidity instruments. It provides a clean, blank protective shell for devices within commercial HVAC and building automation systems.
Features
- Designed for both horizontal and vertical mounting configurations.
- Blank design without a nameplate, thermometer, or setpoint window.
- Features a durable silver faceplate.
- Constructed from high-quality beige plastic.
Specifications
- Dimensions: 2.1 in. H x 3.1 in. W x 1.8 in. D
- Material: Plastic
- Color: Beige
- Faceplate: Silver
- Mounting Style: Horizontal or Vertical
Applications
- Compatible with Johnson Controls T-4000 series pneumatic thermostats.
- Suitable for use with H-4100 and H-5100 series humidity instruments.
- Ideal for commercial building automation systems (BAS) where adjustments need to be restricted.


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