Description
The Johnson Controls WTL-PR1-00 is a wireless pneumatic room thermostat designed for 2-pipe, reverse acting (RA) HVAC systems. This innovative device bridges the gap between legacy pneumatic control infrastructure and modern wireless communication technology, allowing building engineers and contractors to upgrade pneumatic systems without the cost and disruption of running new control wiring.
Overview
The WTL-PR1-00 is part of Johnson Controls’ Wireless Pneumatic Thermostat (WTL) series, engineered to deliver reliable room temperature sensing and pneumatic output control in commercial building environments. Its reverse acting configuration makes it ideal for cooling applications where a rise in room temperature produces a decrease in branch line pressure, or for use in 2-pipe fan coil and VAV systems configured for RA operation.
Key Features
- Wireless pneumatic thermostat for 2-pipe reverse acting (RA) systems
- Eliminates the need for new control wiring during pneumatic system retrofits
- Designed for commercial building HVAC applications
- Reverse acting (RA) pneumatic output for cooling-dominant or RA-configured systems
- 2-pipe pneumatic connection for simplified installation
- Wireless communication enables remote monitoring and integration with building automation systems
- Compact, room-mounted design suitable for standard wall installation
- Compatible with Johnson Controls wireless pneumatic system infrastructure
Application
The WTL-PR1-00 is ideal for commercial retrofit projects where existing pneumatic distribution systems are to be preserved while adding wireless supervisory control capability. It is well suited for office buildings, hotels, healthcare facilities, and other multi-zone commercial environments that rely on pneumatic branch line pressure to modulate terminal equipment.
Why Choose the WTL-PR1-00?
By combining proven pneumatic control with wireless technology, Johnson Controls enables building owners to extend the life of their pneumatic infrastructure while gaining the benefits of centralized monitoring, setpoint management, and energy optimization — all without invasive rewiring projects.
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