Lennox 3000 Series ComfortSense Thermostat, 3H/2C Stage (51M3701)
Lennox ComfortSense 3000 Programmable 3 Heat/2 Cool (51M3701)
Description:
Lennox ComfortSense 3000 Thermostat. Features 3 Stages of heating and 2 Stage of cooling control for heat pump or dual-fuel systems! Precise temperature control at the touch of a button.
Lennox 3000 Series:
ComfortSense 3000 Series thermostats offer simple touch operation, along with precise temperture control. The intuitive, advanced electronics provide accurate temperatures at the touch of a button.
Benefits:
Operation couldn't be easier. Large rubber buttons and backlit display allow you to quickly find the right setting, day or night - no more fumbling with clumsy dials or slides. Once you've adjusted the temperature, the control accurately maintains the desired temperature.
FEATURES:
- Programmable digital thermostat
- ENERGY STAR® Qualified
- Dual-Fuel Capability - Increases the efficiency of dual-fuel heating systems by automatically alternating between gas and electric operation
- Filter reminder - filter reminder timer expires
- Large, clear, backlit display
- Setpoint - Shows the current selection of fan control
- Filter Reminder - Off, 1, 3, 6. or 12 months.
- Precise comfort control - (+/- 1º F) - Maintains comfort at the highest levels
- Room Monitor - Show the current room temperature
- Memory, clock, filter and maintenance counters
- 2-year limited warranty
Click here for the Lennox Comfort Sense 3000 Manual
Click here for Lennox Comfort Sense 3000 Brochure
Specs:
| MFG: | Lennox |
| MFG#: | 51M3701 |
| For Use With: | Gas, Oil, Electric, Heat Pump |
|
Programmable: Allows you to schedule when you want your furnace/air handler fan to turn on and off automatically |
Yes |
|
Stages: Indicates the levels of cooling and heating your air conditioner is capable of. |
3H & 2C |
|
System Compatibility: Compatible with electric furnaces or air handlers with electric heater coils, air conditioners, heat pumps. |
Single Stage, Millivolt, Heat Only |
|
Power Options: Indicates if the thermostat operates electrically on batteries or power from the furnace/air handler. |
Battery, 18-30 VAC- 60hz. Hardwire |
|
Heat/Cool Changeover: Allows the thermostat to automatically switch from heating to cooling based on the temperature inside |
Automatic or Manual |
|
Programmable Fan: Allows you to schedule when you want your furnace/air handler fan to turn on and off automatically |
Yes |
| Temperature Limits: | Yes |
| User Selectable Maintenance Remender |
off, 1, 3, 6, 12 |
|
Backlight: Allows easier viewing of disply screen in the dark. |
Yes |
|
Vacation Hold: Allows you to program your thermostat to operate your heating/cooling system at a minimum when you leave on vacation. |
Yes |


