Description
The Johnson Controls T-4756-202 is a high-performance pneumatic thermostat engineered for demanding commercial heating and cooling applications. Designed to deliver reliable, precise control in pneumatic HVAC systems, this thermostat features a high volume output signal that ensures fast, responsive actuation of pneumatic valves and dampers — making it an ideal choice for large-scale or high-demand building automation environments.
With dual operating modes — 15 PSIG direct acting for heating and 20 PSIG reverse acting for cooling — the T-4756-202 provides flexible system integration for both heating and cooling control sequences. Its vertical mounting orientation suits standard wall installations in commercial and institutional buildings.
Key Features
- Pneumatic heating-cooling thermostat with high volume output
- 15 PSIG direct acting operation for heating control
- 20 PSIG reverse acting operation for cooling control
- High volume output for fast, positive actuation of pneumatic devices
- Vertical mounting design for standard wall installation
- Suitable for commercial and institutional pneumatic HVAC systems
- Reliable Johnson Controls quality and engineering
Specifications
- Brand: Johnson Controls
- Model / SKU: T-4756-202
- Control Type: Pneumatic
- Application: Heating and Cooling
- Output Type: High Volume
- Direct Acting Pressure: 15 PSIG
- Reverse Acting Pressure: 20 PSIG
- Mounting Orientation: Vertical
Applications
- Commercial office buildings with pneumatic control systems
- Institutional facilities requiring dual heating/cooling thermostat control
- Retrofit and replacement of existing Johnson Controls pneumatic thermostats
- Systems requiring high volume pneumatic output for large actuators or valves
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