Johnson Controls T-4000-3145 Plastic Cover

Maintain the integrity of your pneumatic control systems with the Johnson Controls T-4000-3145, a professional-grade replacement vertical plastic thermostat cover. Designed specifically for the legacy T-4000 series, this white thermostat cover plate features a clean, high-impact plastic construction that protects sensitive pneumatic sensing elements from ambient dust and physical impact. As a genuine OEM Johnson Controls replacement part, it ensures a precise fit for vertical mounting configurations where a thermometer is not required. The integrated single set point window allows for clear visibility of the adjustment dial, helping technicians verify settings without removing the housing. This cover is an essential component for any HVAC repair parts inventory, facilitating the long-term maintenance of high-volume and low-volume pneumatic room instruments. Its shock-resistant and vibration-resistant design makes it a reliable choice for demanding commercial and industrial mechanical rooms.

• Precise OEM Fit: Guaranteed compatibility with the Johnson Controls T-4000 series vertical pneumatic thermostats.
• Durable Construction: High-impact white plastic housing provides a professional finish and protects internal bimetal elements.
• Optimized Visibility: Includes one set point window for easy monitoring of control settings while keeping the pneumatic thermostat protected.
• Simplified Maintenance: Features a low-profile design that allows for rapid installation and access for calibration test probes.

• Does this cover include a thermometer? No, the T-4000-3145 is the "no thermometer" variant, ideal for secure zones where temperature display is not desired.
• Is this cover compatible with horizontal thermostats? No, this specific model is engineered strictly for vertical-mounted thermostats.
• Will this fit dual-dial units? This cover is designed for single set point visibility; dual-dial or high-cover requirements may need a different model to avoid dial interference.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.