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    Offering genuine parts for your specific brand.

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Lennox 51M33 Comfortsense 3000 Non-Programmable Thermostat

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Brand
Lennox
SKU:
51M33
Condition:
New
Weight:
2.00 LBS
Replaced by Part #:
1230

Brand
Lennox
SKU:
51M33
Condition:
New
Weight:
2.00 LBS
Replaced by Part #:
1230

Have Questions? Ask a Tech!

  • Genuine OEM Parts

    Offering genuine parts for your specific brand.

  • In-House HVAC Techs

    We help you diagnose, find, and install the part.

  • Guarantees & Returns

    Easy returns on uninstalled parts + 1-year warranty for mfg defects

  • Expedited Delivery

    Offering competitively-priced expedited shipping.

Lennox 51M33 Replacement Part

NOTE: THIS PART IS NO LONGER AVAILABLE. IT HAS BEEN REPLACED BY PART # 1230

Includes:

  • (1) - Comfortsense 3000 Non-Programmable Thermostat (51M33)
  • (1) - Mounting Kit (-)
  • (1) - Installation Instructions (506080-01)
  • (1) - Owners Manual (506078-01)
  • (1) - Lennox Manufacturer Warranty Info (-)

Specifications

  • Non-Programmable
  • Suitable For Heat Pump Applications
  • Large Buttons Allows Simple Touch Operation
  • Soft Blue Backlight
  • 2 Heat
  • 1 Cool

Replaces Old Lennox Part Numbers

  • There are no older part numbers.

Other Part Numbers

L3021H Comfortsense 3000 Non-Programmable Thermostat Multi-Stage Heat Pump

Fits Models:

(Press ctrl + F to find model number below.)

Various. (Call 734-326-3900 with your model and serial number for more information.)

Technical Hot & Cold honors all manufacturer warranties and offers a 1-year warranty on non-maintenance items.