Honeywell
Honeywell TH1100DV1000 Heat Only Thermostat – 24V PRO 1000
$39.15
In Stock — 320 available
| Product Type | Digital non-programmable thermostat |
| Brand | Honeywell Home |
| Series | PRO 1000 |
| Model Number | TH1100DV1000 |
| Programmability | Non-programmable |
| Stages | 1 Heat |
| System Compatibility | Heat-only systems |
| Voltage | 24V AC |
| Power Method | Battery powered |
| Battery Type | 2 AAA batteries |
| Display Type | Digital display |
| Temperature Control Range | 40°F to 90°F |
| Temperature Accuracy | +/- 1°F |
| Changeover | Heat only |
| Dimensions | 4.69" H x 2.88" W x 1.13" D |
| Color | Premier White |
| Mounting | Wall mount |
| Warranty | 5-year limited warranty |
Please refer to the product description or manufacturer documentation for included items.
Honeywell TH1100DV1000 Heat Only Thermostat (PRO 1000 Series)
The Honeywell TH1100DV1000 is a non-programmable heat-only thermostat designed for dependable temperature control in residential and light commercial HVAC systems. Part of the PRO 1000 Series, this thermostat delivers simple operation, accurate performance, and compatibility with multiple heating system types including conventional, heat pump, and millivolt systems.
Features:
- Non-programmable digital thermostat for simple operation
- Heat-only control for residential heating systems
- Compatible with 24VAC conventional and heat pump systems
- Supports 750 mV (millivolt) heating systems
- Built-in garage mode for low-temperature environments
- Digital display with easy-to-read interface
- PRO 1000 Series reliability from Honeywell
Compatibility:
- Gas, oil, and electric furnaces (heat-only systems)
- 24VAC conventional heating systems
- Heat pump systems (heat-only configuration)
- 750 mV (millivolt) heating systems
Applications:
- Residential furnace replacement thermostat
- Garage or workshop heating control
- Mobile home heating systems
- Boiler-based heating systems
- Simple HVAC retrofit applications
Installation Tip: When replacing an older thermostat, verify wiring compatibility—especially when working with millivolt systems. Ensure power is disconnected before installation and confirm system type prior to wiring.