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Product Specifications:
| Item | Remote Sensor |
| Application | Temperature |
| Color | White |
| Compatible Brand And Series | Honeywell |
| Compatible Manufacturer Model Number | W7761 |
| Depth | 7/8" |
| Electrical Connection Type | Hardwired |
| Height | 4.562" |
| Humidity Accuracy | +/-5% From 20% to 80% Rh |
| Includes | Cover, Subbase |
| Includes Temperature Sensor | Yes |
| Indoor/outdoor | Indoor |
| Maximum Humidity | 95% |
| Maximum Operating Temperature | 99°F |
| Maximum Temperature | 99°F |
| Minimum Humidity | 5% |
| Minimum Operating Temperature | 45°F |
| Minimum Temperature | 45°F |
| Operating Temp. Range | +45°F to +99°F |
| Overall Depth | 7/8" |
| Overall Height | 4 9/16" |
| Overall Width | 3" |
| Sensor Shape | Rectangle |
| Sensor Type | Non-Linear, Temperature Sensing Only |
| Type | Wall Module |
| Width | 3" |
Shipping Info:
| Ship weight (kg) | 0.09 |
| Ship height (cm) | 12.7 |
| Ship length (cm) | 9.65 |
| Ship width (cm) | 4.06 |
| HS code | 9025900000 |
| Country of Origin | MX |
Product Details:
- Honeywell TR21 direct-wired wall module remote temp sensor measures the temperature of environment, as well as converts the input data into electronic data to record, monitor and signal temperature fluctuations
- Designed for use with brand's excel controllers, direct digital controllers and spyder unitary controllers
- Features user-selectable setpoint adjustment dials with Fahrenheit, Celsius and relative scales
- Allows monitoring the humidity through a wall sensor or within the return air ducts
- Operates at temperatures ranging from 45 to 99 degrees Fahrenheit and offers bypass digital input contact to override the control along with LED status indicator
- Comes with locking cover for tamper resistance and available in 3 or 5-position fan switch to control the fan speed
Product Variants
| Product | Model | Color | Height | Overall Width | Depth | Type | Cable Length | Indoor/outdoor | Electrical Connection Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
TR21-A/U | White | 4.562" | 3" | 7/8" | Wall Module | - | Indoor | Hardwired | €77.62 | |
![]() |
T775-SENS-WR | Gray | - | - | - | Water Resistant | 5 ft. | Indoor | Hardwired | €160.74 | |
![]() |
T775-SENS-WT | Gray | 2" | - | - | - | 6 ft. | Indoor | Hardwired | €209.06 | |
![]() |
50021579-001 | Gray | 8 5/16" | 1/4" | 2 1/4" | Standard | - | Indoor | Hardwired | €158.96 |
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HONEYWELL TR21/U Wall Module Remote Temp Sensor, With Setpoint Adjustments
€54.05 /unit



