Description
Honeywell TR21-WK Wireless Wall Sensor Kit Overview
The Honeywell TR21-WK Wireless Wall Sensor Kit delivers reliable, wire-free temperature sensing for commercial and residential HVAC control applications. The kit includes both a white wireless wall sensor and a receiver, providing a complete out-of-the-box solution that eliminates the need for costly sensor wiring runs. With tight ±1°F accuracy and a broad operating range, this kit integrates seamlessly into building automation and HVAC zoning systems.
Key Features
- Complete kit includes white wireless wall sensor and receiver
- ±1°F (±1°C) temperature sensing accuracy for precise control
- Sensor operating temperature range: 45°F to 99°F
- Receiver operating temperature range: -40°F to 150°F — suitable for mechanical room or panel mounting
- Setpoint temperature range: 55°F to 85°F
- Humidity specification: 5–95% RH, non-condensing
- White sensor finish blends cleanly with standard wall décor
- Wireless design eliminates sensor wiring runs, reducing installation time and labor costs
- Ideal for retrofit and new construction HVAC applications
Specifications
- SKU: TR21-WK
- Brand: Honeywell
- Sensor Color: White
- Sensor Operating Temperature: 45°F – 99°F
- Receiver Operating Temperature: -40°F – 150°F
- Accuracy: ±1°F (±1°C)
- Setpoint Temperature Range: 55°F – 85°F
- Relative Humidity (Non-Condensing): 5% – 95% RH
- Kit Contents: Wireless Wall Sensor + Receiver
Applications
- Commercial and light commercial HVAC systems
- Building automation and energy management systems
- HVAC zoning applications
- Retrofit installations where sensor wiring is impractical
- New construction projects requiring flexible sensor placement
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