Honeywell TR21-WSU/U Wireless Temperature Sensor. TR21-WS and TR23-WS sensors are a family of wireless wall modules. All models report space Temperature; TR23 models come with setpoint adjustment and override.
Manufacturer: | Honeywell |
Faucet Part Feature: | Electrical and Sensors |
Mpn # | TR21-WSU |
Weight | 2.25 lbs. |