Repair Parts List

The following repair parts are available through Lennox dealers. When ordering parts, include the complete furnace model number listed on the CSA International nameplate −− Example: 180DFE045P36B. All service must be done by a licensed

professional installer (or equivalent), a service agency, or the gas supplier.

Cabinet Parts

Heating access panel

Blower access panel

Top Cap

Control Panel Parts

Transformer

Integrated control

Door interlock switch

Blower Parts

Blower wheel

Motor

Motor mounting frame

Motor power choke (3/4 and 1 hp) Blower housing cutoff plate

Heating Parts

Flame Sensor

Heat exchanger assembly Gas manifold Combustion air inducer

Gas valve

Main burner cluster

Main burner orifices

Pressure switch

Ignitor

Primary limit control

Flame rollout switches

WARNING

Product contains fiberglass wool.

Disturbing the insulation in this product during installation, maintenance, or repair will expose you to fiberglass wool. Breathing this may cause lung cancer. (Fiberglass wool is known to the State of Cal- ifornia to cause cancer.)

Fiberglass wool may also cause respiratory, skin, and eye irritation.

To reduce exposure to this substance or for further information, consult material safety data sheets available from address shown below, or contact your supervisor.

Lennox Industries Inc.

P.O. Box 799900

Dallas, TX 75379−9900

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Lennox International Inc ML180DFE SERIES manual Repair Parts List

ML180DFE SERIES specifications

Lennox International Inc. is recognized for its innovative heating and cooling solutions, and the ML180DFE series is no exception. This high-efficiency gas furnace represents a significant leap in residential heating technology, designed to provide optimal home comfort while maximizing energy savings.

At the core of the ML180DFE series is its superior efficiency rating of up to 80% Annual Fuel Utilization Efficiency (AFUE). This ensures that a higher proportion of the fuel consumed is converted into heat for the home, minimizing waste and lowering energy bills. Homeowners can appreciate the tangible financial benefits of this efficiency, especially in areas with colder climates where heating costs can rise dramatically.

One of the standout features of the ML180DFE series is its two-stage heating capability. This technology enables the furnace to operate at two different levels of heat output, allowing it to adjust to the heating demands of the home more effectively. By running at a lower capacity on mild days and boosting to full capacity during extreme cold, the furnace delivers more consistent indoor temperatures and reduces the frequent on-and-off cycling that can wear out the system over time.

The ML180DFE series also utilizes a high-efficiency DC motor. This motor not only improves energy efficiency but also enhances the overall comfort of the home. It operates quietly, ensuring minimal disruption while providing reliable heat.

Safety is always a priority with Lennox products, and the ML180DFE series includes a range of safety features. These include a robust heat exchanger designed to withstand high temperatures and a safety shut-off system that reacts in case of any operational irregularities, offering peace of mind for homeowners.

The unit is also designed for easy installation and serviceability, featuring a durable cabinet and accessible components for routine maintenance. Lennox ensures that customers aren’t just buying a furnace, but a long-term heating solution that will serve them well for years to come.

In conclusion, the Lennox ML180DFE series is an excellent choice for homeowners seeking a reliable, efficient, and safe heating solution. With its two-stage heating, high-efficiency ratings, and advanced technologies, this furnace embodies the company’s commitment to quality and innovation, ensuring comfort and satisfaction in every home.