Description
The Honeywell TP972A2143 is a commercial-grade pneumatic thermostat engineered for 2-pipe heating and cooling systems. It features direct acting control for heating and reverse acting control for cooling, making it an ideal solution for single-setpoint pneumatic HVAC applications in commercial buildings, schools, hospitals, and multi-zone facilities.
Key Features
- 2-pipe pneumatic design for combined heating and cooling control
- Direct acting operation for heating; reverse acting operation for cooling
- Single setpoint control for simplified zone temperature management
- Setpoint temperature range: 59°F to 90°F
- Heat changeover pressure: 14 PSI
- Cool changeover pressure: 19 PSI
- Throttling range: 2 to 10 degrees
- Designed for reliable, long-service-life performance in commercial pneumatic systems
Technical Specifications
- SKU: TP972A2143
- Brand: Honeywell
- System Type: 2-Pipe Pneumatic
- Control Action (Heating): Direct Acting
- Control Action (Cooling): Reverse Acting
- Setpoint Type: Single Setpoint
- Setpoint Temperature Range: 59°F – 90°F
- Heat Changeover Pressure: 14 PSI
- Cool Changeover Pressure: 19 PSI
- Throttling Range: 2°F – 10°F
Application
The TP972A2143 is purpose-built for commercial pneumatic HVAC installations where a single thermostat must manage both heating and cooling via a shared 2-pipe distribution system. Its precise changeover pressures and adjustable throttling range allow technicians to fine-tune zone comfort and system response, reducing energy waste and improving occupant satisfaction. Compatible with standard pneumatic control systems commonly found in legacy and modern commercial buildings.









