Honeywell Temperature Sensor: Wall Mount, Conduit Box
The Honeywell TR21-WK/U is a wall-mount temperature sensor and receiver kit with a conduit-box housing and wireless transmission. It includes the WRECVR receiver, is hardwired for electrical connection, and is…
SKU 3G-OTH-68451
Also listed as: TR21WKU · TR21 WK U · TR21-WK-U
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The Honeywell TR21-WK/U is a wall-mount temperature sensor and receiver kit with a conduit-box housing and wireless transmission. It includes the WRECVR receiver, is hardwired for electrical connection, and is compatible with building automation systems. The sensor offers a temperature accuracy of ±1 °F (12 °C to 30 °C) and has no display.
Frequently Asked Questions
What is the Honeywell TR21-WK/U temperature sensor used for?
The Honeywell TR21-WK/U is a wall-mount temperature sensor and receiver kit used in building automation systems. It wirelessly transmits temperature readings to the included WRECVR receiver, enabling remote monitoring and control of HVAC environments without a display.
What are the specifications of the Honeywell TR21-WK/U?
The Honeywell TR21-WK/U features wireless transmission, a conduit-box housing, and hardwired electrical connection. It includes the WRECVR receiver, offers temperature accuracy of ±1 °F (12 °C to 30 °C), and is compatible with building automation systems. No display is included.
Where to buy the Honeywell TR21-WK/U worldwide?
3G Electric supplies the Honeywell TR21-WK/U temperature sensor and receiver kit worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.
How to install the Honeywell TR21-WK/U temperature sensor?
Mount the Honeywell TR21-WK/U on a wall using the conduit-box housing. Hardwire the electrical connection per local codes, then pair the sensor with the included WRECVR receiver. Ensure the receiver is within wireless range and compatible with your building automation system for proper operation.
Used in
Common applications for HoneywellHoneywell Products
3G Electric supplies Honeywell wireless sensor & receiver kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
