Johnson Controls T-4002-203 55-85F 2-Pipe DA Pneumatic Thermostat
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New Johnson Controls T-4002-203 pneumatic thermostat with factory packaging, factory calibration label, and visible supply/output pneumatic ports marked S and O. The box label identifies it as a direct-acting, single-temperature, vertical thermostat with degree-F dial, catalog number T-4002-203, and the side label shows factory calibration 27-3416-38 Rev M. The installed dial is marked in °F and the product listing specification identifies a 55° to 85°F adjustment range with 2-pipe, high-volume pneumatic air-flow output. This control is for pneumatic HVAC temperature control circuits using separate supply and output air connections.
Product Specifications
| Brand | Johnson Controls |
| MPN | T-4002-203 |
| Product Type | Pneumatic thermostat |
| Series | T-4002 |
| Temperature Range | 55 to 85 °F |
| Action | Direct acting |
| Temperature Stages | Single temperature |
| Dial Orientation | Vertical |
| Dial Scale | Degrees F |
| Pneumatic Ports | 2 ports: S, O |
| Port Markings | S, O |
| Output | High-volume air flow |
| Factory Calibration | 27-3416-38 Rev M |
| Country/Region of Manufacture | Mexico |
| Condition | New |