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Lennox 51M37 Comfortsense 3000 Series Thermostat

This is an authentic and brand new Lennox 51M37 Comfortsense 3000 Series Thermostat.
Out of stock
Full Description

This is an authentic and brand new Lennox 51M37 Comfortsense 3000 Series Thermostat. This product is a 5/2 day programmable electronic thermostat. It contains an user friendly display and provides superior temperature control. It also contains reminders for filter changes and equipment maintenance. It also has a system check indicator to tell the user when the thermostat is in need of service.

This thermostat is usable in heat pump and 3-stage heat/2-stage cool applications that utilize an electric or gas heating source. This unit also contains an optional outdoor temperature sensor that gives balance point operation, auxiliary heat lockout, and dual-fuel compatibility.

If you have any questions regarding this product please feel free to email [email protected] or call 1-888-623-4678 and one of our friendly Customer Experience Representatives will be more than happy to help.


Brand Lennox
Specifications Indoor Temperature Measurement Range: 35-99 degrees Fahrenheit Outdoor Temperature Measurement Range: -22-122 degrees Fahrenheit Power Supply Range: 18VAC-30 VAC, 60Hz Temperature Setpoint Range: 50-90 degrees Fahrenheit Thermostat Type: Electronic, programmable for heat pump, 3-stage heat/2-stage cool
Thermostat Features Outdoor Sensor
Thermostat Key Type Soft Key
Thermostat Programmalbe / Non-Programmable 5-2 Day Programmable
Thermostat Configuration 3 Heat / 2 Cool - Heat Pump
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