Honeywell T87 family shown. The pictured older installed unit differs from the current T87N1000 and T87K1007 configurations.
Photo: midnightcomm, Honeywell round thermostat, CC BY 2.0. Unmodified.
Honeywell Home The Round Manual Thermostats
Choose the exact Round thermostat for the system it controls. T87K1007 provides heat-only control; T87N1000 provides one heating and one cooling stage. Both use a 20-30 Vac control supply. Compare system type, stages and fan-control requirements before selecting the model and quantity.
Brand: Honeywell Home
Category: Thermostats & Controls
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Choose the exact Round configuration
The Round family brings a familiar dial to manual temperature selection. These current mercury-free thermostats have different system applications. Identify the installed equipment, control supply and required heating, cooling and fan functions before choosing the exact manufacturer model.
T87K1007 is a heat-only, 2/3-wire thermostat. T87N1000 provides one heating and one cooling stage with HEAT/OFF/COOL and AUTO/ON switches. The T87N model covers conventional systems and heat pumps without auxiliary heat; compare the manufacturer instructions with the actual system.
Two model configurations
T87K1007: heat-only configuration. T87N1000: heat-and-cool configuration. Each quote-basket line retains its exact manufacturer part number.
Control and installation inputs
20-30 Vac control supply. Match wiring, stages and system application. Include equipment and existing-control identification with the request.
Technical specifications
| Manufacturer | Honeywell Home |
|---|---|
| Model family | T87N / T87K Round |
| Control supply | 20-30 Vac |
| T87K1007 application | Heat only; 2/3-wire |
| T87N1000 application | 1 Heat / 1 Cool; conventional or heat pump without auxiliary heat |
| Temperature selection | Manual dial |
| T87N system / fan switches | HEAT / OFF / COOL; AUTO / ON |
| Selling unit | One thermostat |
| System application | Heat only, Heat and cool |
Selling package
One thermostat in the selected manufacturer configuration.