Description
The Johnson Controls T-3300-1 is a professional-grade proportional pneumatic thermostat engineered for demanding commercial and industrial HVAC applications. Designed to deliver precise, reliable temperature control through pneumatic signaling, this dual-temperature, dual-pressure thermostat offers the operational flexibility required in complex building automation and air handling systems.
Operating Modes
- Direct Acting at 15 psig — increases output pressure as temperature rises, ideal for cooling control applications
- Reverse Acting at 20 psig — decreases output pressure as temperature rises, suited for heating control applications
- Dual-pressure design supports both operating modes within a single unit for versatile system integration
Key Features
- Proportional pneumatic control for smooth, stable temperature regulation
- Remote bulb sensing element for accurate temperature measurement at the point of control
- External setpoint adjustment for convenient field calibration without disassembly
- Remote mounting capability for flexible installation in accessible or protected locations
- Dual-temperature operation accommodates heating and cooling seasons or multi-zone applications
Application Suitability
- Commercial HVAC air handling units (AHUs)
- Pneumatic building automation and control systems
- Heating and cooling valve control in hydronic systems
- Industrial process temperature control requiring pneumatic output
- Retrofit and replacement in existing Johnson Controls pneumatic control networks
Why Choose the Johnson Controls T-3300-1
Johnson Controls is a globally recognized leader in building controls and HVAC automation. The T-3300-1 reflects their commitment to precision engineering and long-term reliability. The combination of remote bulb sensing, external setpoint adjustment, and dual-pressure operation makes this thermostat an exceptionally versatile solution for technicians managing complex pneumatic control systems. Its remote mounting design reduces exposure to harsh environments, extending service life and minimizing maintenance requirements.
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