Merit Series, Upflow/Horizontal Gas Furnace, 80% AFUE, 66,000 Btuh, Power Saver Constant Torque, 1 Stage, 1.5-3 Ton, ML180UH070E36A

Cat # : 18U90

Model/Part # : ML180UH070E36A

Sign in to view pricing

  • For availability, please enter your zip/postal code or sign in

    Shipping to:



    • Within 30 miles

Save to List

Brand Lennox
Catalog Number 18U90
Model/Part Number ML180UH070E36A
Minimum Order Quantity 0.0
Base Unit of Measure Unit(S)
Product Depth 28-1/2 IN
Product Height 33 IN
Product Width 14-1/2 IN
Product Voltage 120V 1ph 60 hz
Blower Motor Constant Torque
Configuration Upflow/Horizontal
iComfort Enabled false
Heating Type 1 Stage
Gross Weight 111 LB
Family ML180E
Heating Capacity 66, 000 Btuh
Efficiency 80.0 AFUE
Hertz 60 hz
Phase 1 Phase
Series Merit Series

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 Series

ML180UH070E36A Mid-Efficiency Gas Furnace

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.
  • Duralok Plus™ Heat Exchanger - Made of patented ArmourTuf™ aluminum steel. 



Send Email
  • To:
    Note: * Optional
There has been an error processing your request. Please try again later.