Lennox ML180UH SERIES User Manual

Page 2
ML180UH Parts Identification
FIGURE 1
HEAT EXCHANGER
ASSEMBLY
BURNERS
BLOWER
MOTOR
GAS VALVE AND
MANIFOLD
COMBUSTION AIR
INDUCER
TOP CAP
INTEGRATED
CONTROL
PRESSURE SWITCH
BLOWER ACCESS
PANEL
UPPER ACCESS
PANEL
NOTE - This manual is the property of the homeowner
and must be left with the equipment user.
Notice to Homeowner
This furnace is equipped with safety devices that protect
you and your property. If one or more of these devices is
activated, furnace operation will stop. If your home is left
unattended for an extended period of time, equipment op
eration must be checked periodically. If this is not possible,
the water supply to the house should be shut off and the
pipes should be drained. This will prevent problems associ
ated with a NO HEAT condition (frozen pipes, etc.)

Lennox ML180UH SERIES Specifications

General

Efficiency	80% AFUE
Heating Stages	Single-stage
Blower Motor	PSC
Gas Valve	Single-stage
Ignition System	Hot Surface Ignition
Fuel Type	Natural gas or propane
Configuration	Upflow/Horizontal
Ignition Type	Hot Surface Ignition
Heat Exchanger Material	Aluminized steel
Heating Capacity	44, 000 to 132, 000 BTUH
Warranty	20-year limited warranty on heat exchanger, 5-year limited warranty on parts