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- Defrost Termination-Freeze Protection-Fan Switches
- Detector
- Electrical Devices and Accessories
- Flow Switch-Current Sensors
- Heating
- Humidity
- Motor Drives
- Pneumatic
- Pressure
- Supermarket Controls and Parts
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- Timer
- Water Regulating Valve
- Zone Control and Wireless
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TR21A
TR21A
Temperature wall module, electronic, 45 to 99°F operating, 10K O NTC, averaging sensor
- Vendor Name:
- Honeywell
- URI Part Number:
- TR21A
- Vendor Part Number:
- TR21A
- Shipping Weight (Lbs.):
- 0.21
- Comments:
- For averaging
- Replaces:
- T7770A3002
- Resistance (Ohm):
- 10K
- Prop65:
- No
A family of direct wired wall modules for use with Honeywell Excel 800, 600, 500, 100, 80, 20
(all fully programmable) and W7750, W7751, W7752, W7753, W7761 controllers. All models have a space temperature sensor; some models have setpoint adjustment, override with LED and fan switch.
- Non linear sensor
- TR21A used for averaging in T7350 application
