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TR20 Series Wireless Sensors

The WRECVR receiver and TR21-WS, TR23-WS, TR21-WK, and TR23-WK sensors are a family of wireless wall modules and receivers. All models report space temperature; TR23 models come with setpoint adjustment and override.

Replacement Knobs-Celsius Scale(20 Pack)

KNOB-C/U

Replacement Knobs for TR23 -Celsius Scale (20 Pack)

Replacement Knobs-Fahren. Scale(20 Pack)

KNOB-F/U

Replacement Knobs for TR23-Fahren. Scale (20 Pack)

Replacement Knobs- Relative Scale

KNOB-O/U

Replacement Knobs for TR23- Relative Scale