Overview
The Johnson Controls T-4002-5017 is an external horizontal setpoint dial designed for use with T-4000 series pneumatic room thermostats. This genuine OEM accessory features a pointer and a 55 to 85°F temperature scale, providing a user-friendly interface for manual temperature adjustments in Fahrenheit. It is specifically engineered for horizontal mounting configurations to enhance the functionality and accessibility of pneumatic control systems without removing the thermostat cover.
Features
- Precision horizontal dial interface with clear temperature markings for accurate setpoint adjustments
- Integrated pointer with a 55 to 85°F temperature scale span
- Durable, robust construction designed for long-lasting performance in demanding commercial environments
- Complete kit includes the dial, pointer, and a captivated holding screw for a straightforward installation process
- Seamless compatibility with T-4000 series high-volume and low-volume output pneumatic thermostats
Specifications
- Brand: Johnson Controls
- Model Number: T-4002-5017
- Component Type: External Setpoint Dial
- Orientation: Horizontal Only
- Scale: Fahrenheit (°F), 55 to 85°F
- Material: Plastic
- Color: White
- Compatibility: T-4000, T-4002-201, T-4002-202, T-4002-203, T-4002-204 series thermostats (cannot be used with metal covers or old-style 1-5/8 in. plastic covers)
Applications
The T-4002-5017 setpoint dial is utilized in commercial, industrial, and institutional HVAC systems where pneumatic individual space temperature control is required. It is ideal for office buildings, schools, and hospitals that utilize T-4000 series horizontal thermostats. This component is frequently used by facility managers and HVAC technicians during system maintenance, retrofits, or as an upgrade to add external manual adjustment capabilities.



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