The Johnson Controls T-4752-201 is a pneumatic heating-cooling thermostat engineered for reliable, pressure-based temperature control in commercial and light industrial HVAC systems. Designed for horizontal wall mounting, this thermostat delivers precise pneumatic signaling for both heating and cooling modes, making it an ideal choice for dual-function climate control applications.
Key Features
- Dual-mode operation supports both heating and cooling control
- 15 PSIG direct acting output for heating mode operation
- 20 PSIG reverse acting output for cooling mode operation
- Horizontal mounting orientation for flexible installation
- Pneumatic control technology provides dependable, low-maintenance performance
- Compatible with standard pneumatic HVAC control systems
- Cover and mounting bracket sold separately — order as needed for your installation
Specifications
- Brand: Johnson Controls
- Model / SKU: T-4752-201
- Control Type: Pneumatic Heating-Cooling
- Direct Acting Output: 15 PSIG
- Reverse Acting Output: 20 PSIG
- Mounting Orientation: Horizontal
- Cover: Ordered separately
- Mounting Bracket: Ordered separately
Application
The T-4752-201 is well-suited for commercial buildings, schools, hospitals, and other facilities utilizing pneumatic control systems. Its dual-pressure output design allows seamless integration into changeover systems where both heating and cooling control signals are required from a single thermostat. The horizontal mounting configuration accommodates standard wall-box installations with ease.
Important Notes
- Cover and mounting bracket are NOT included — they must be ordered separately
- Verify compatibility with your existing pneumatic control system supply pressure before installation
- Consult Johnson Controls documentation for full wiring and commissioning instructions
