Lennox Merit ML180E, ML180UH070E36B, 80% AFUE, 66000 BTU, 3 Ton, 1 Stage Heat, Constant Torque Horizontal Gas Furnace

Cat # : 81W23

Model/Part # : ML180UH070E36B

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Brand Lennox
Catalog Number 81W23
Model/Part Number ML180UH070E36B
Minimum Order Quantity 0.0
Base Unit of Measure Unit(S)
Family ML180E
Series Merit
Heating Capacity 66000 Btuh
Heating Efficiency 80% AFUE
Configuration Upflow/Horizontal
Blower Size 3 Ton
Gas Stages 1 Stage Heat
Blower Type Constant Torque
Product Voltage 115 VAC 1 Ph 60 Hz
Product Depth 27.75 Inch
Product Width 17.5 Inch
Product Height 33 Inch
Gross Weight 127 lbs.
Energy Star Certified No

California Only

This furnace does not meet the South Coast Air Quality Management District (SCAQMD) Rule 1111 and San Joaquin Valley Air Pollution Control District (SJVAPCD) Rule 4905 NOx emission limit (14 ng/J) and cannot be installed within the SCAQMD and SJVAPCD areas.

Product Overview

Merit ML180E Series

Economical Gas Furance with Power Saver™ Technology.

The Power Saver™ constant torque motor in the ML180E adjusts airspeed based on demand, which means that it operates more efficiently than a standard motor. 

  • Energy-Efficient Design - With an energy rating of 80% AFUE, the ML180E keeps your home comfortable and energy efficient. 
  • Dual-fuel operation - When the ML180E is paired with a Lennox® heat pump, it creates a system that automatically switches between electricity and gas, keeping you warm and energy efficient.
  • High Quality Steel