Description
The Johnson Controls T-4002-301 is a direct acting pneumatic thermostat conversion kit engineered for commercial and industrial HVAC applications where reliable pneumatic control is essential. Featuring a 55–85°F dial range, this kit allows technicians to efficiently convert or restore pneumatic thermostat systems without full equipment replacement, saving time and reducing overall project costs.
The included white cover provides a clean, professional finish that blends seamlessly into commercial building interiors. As a direct acting device, the thermostat increases branch line pressure as space temperature rises, making it well-suited for cooling applications or systems configured for direct acting control sequences.
Key Features
- Direct acting pneumatic control action — branch pressure increases with rising temperature
- 55–85°F dial temperature range for precise space temperature setpoint adjustment
- Conversion kit design simplifies field retrofits and thermostat replacements
- Includes white cover for a clean, finished appearance
- Designed for commercial and industrial pneumatic HVAC control systems
- Johnson Controls quality construction for long-term reliability
Specifications
- Model: T-4002-301
- Brand: Johnson Controls
- Control Action: Direct Acting
- Temperature Dial Range: 55–85°F
- Cover Color: White
- Application: Pneumatic thermostat conversion/retrofit
Applications
- Commercial office buildings and multi-tenant facilities
- Institutional and industrial HVAC pneumatic control systems
- Retrofit and conversion of existing pneumatic thermostat installations
- Cooling systems requiring direct acting pneumatic thermostat control
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