Single Temperature High Volume Output Thermostat Direct Acting With Horizontal Mounting And Two Air Connections 55 To 85 F Dial Range Sensitivity 0.75 To 4.0 Psi Per Degree F T4002 201

T4002 201 Direct Acting Pneumatic Room Thermostat 55-85F
✔️ Two air connections horizontal mount 0.75-4.0 psi sensitivity

The T4002 201 is a single temperature high volume output pneumatic thermostat used in commercial building HVAC systems to maintain steady room temperatures through direct acting control.

✅ Two air connections for supply and output
✅ Dial range of 55 to 85 degrees F
✅ Sensitivity adjustable from 0.75 to 4.0 psig per degree F
✅ Factory set around 2.5 psig per degree F
✅ Flow capacity of 400 scim

💡 How does a pneumatic thermostat help control heating and cooling in large buildings? A pneumatic thermostat like this one uses compressed air signals to adjust valves and dampers automatically. - Keeps indoor temps stable without constant manual tweaks - Works well in older or specialized air driven control setups - Handles high airflow demands for bigger spaces - Lets users fine tune response with the adjustable sensitivity setting

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