Johnson Controls T-4002-301 White DA Pneumatic Thermostat for 2-Pipe Systems

The Johnson Controls T-4002-301 is a direct-acting (DA) pneumatic thermostat designed for precise temperature control in 2-pipe HVAC systems. This reliable pneumatic control features a clean white finish with a matching white cover, making it suitable for professional commercial and industrial applications where appearance matters.

Key Features:

• Direct-acting pneumatic operation for reliable temperature control
• Specifically designed for 2-pipe heating or cooling systems
• White thermostat body with white cover for a clean, professional appearance
• Proven Johnson Controls quality and durability
• Pneumatic control requires no electrical power

This pneumatic thermostat uses compressed air to operate, making it ideal for environments where electrical controls may be impractical or hazardous. The direct-acting design provides proportional control output based on temperature setpoint, ensuring consistent comfort control in commercial buildings, schools, hospitals, and industrial facilities.