Do you have a question about the Honeywell RTH4300B and is the answer not in the manual?
Troubleshooting steps for a blank thermostat display, checking power and battery status.
Steps to resolve unresponsive heating/cooling systems, checking settings and system wait times.
| Type | Programmable Thermostat |
|---|---|
| Display Type | LCD |
| Stages | 1 Heat/1 Cool |
| Backlight | Yes |
| Hold Feature | Yes |
| Filter Change Reminder | Yes |
| Battery Backup | Yes |
| Temperature Range | 40°F to 90°F |
| Compatibility | Single-stage heating and cooling systems |
| Voltage | 24VAC |