G40UHX Parts Identification | Lennox International Inc G40UH(X)

G40UH(X) Parts Identification

TOP CAP

FLUE

COLLAR

COMBUSTION AIR

INDUCER

UPPER ACCESS

PANEL

BURNERS

SURELIGHT CONTROL BOARD

BLOWER ACCESS

PANEL

DURALOKTM HEAT

EXCHANGER

ASSEMBLY

COMBUSTION AIR

PROVING

(PRESSURE) SWITCH

CABINET

GAS

VALVE

GAS

MANIFOLD

NAMEPLATE

BLOWER

MOTOR

CONTROL BOX

FIGURE 1

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

NOTE - This manual must be left with the equipment user.

WARNING

Do not set thermostat below 60°F (16°C) in heating mode. Setting thermostat below 60°F (16°C) reduces the number of heating cycles. Damage to the unit may occur that is not covered by the warranty.

WARNING

If overheating occurs or if gas supply fails to shut off, shut off the manual gas valve to the appliance before shutting off electrical supply.

CAUTION

Before attempting to perform any service or mainte- nance, turn the electrical power to unit OFF at the disconnect switch.

Page 2

G40UH(X) specifications

Lennox International Inc. has long been a recognized leader in the heating, ventilation, and air conditioning (HVAC) industry, providing customers with innovative, high-efficiency solutions. One of its standout products is the G40UH(X) series, a gas furnace that exemplifies modern engineering and energy efficiency. The Lennox G40UH(X) is designed to offer powerful heating capability while maintaining eco-friendly performance and reliability.

One of the main features of the G40UH(X) is its multi-speed blower motor, which not only enhances comfort levels but also operates quietly and efficiently. This furnace utilizes advanced technology to provide better airflow and even heating throughout the space, reducing temperature fluctuations and ensuring that every corner of a home remains comfortable regardless of external weather conditions.

The G40UH(X) series includes a variable-speed gas valve, allowing for precise control over heating output. This feature enables the furnace to adjust its heating capacity in response to the specific needs of the home, optimizing energy consumption and reducing utility costs. Its efficiency rating of up to 96% AFUE (Annual Fuel Utilization Efficiency) means that a significant majority of the energy consumed is effectively converted into heat, making it an environmentally friendly choice.

In terms of design, the G40UH(X) is compact and versatile, making it suitable for various home layouts. Its quiet operation is another significant benefit, as it is engineered to minimize noise, ensuring that it does not disrupt daily activities while efficiently heating the home.

Additional characteristics of the G40UH(X) include compatibility with the Lennox iComfort S30 Smart Thermostat. This integration allows homeowners to control the system remotely, optimizing performance and ensuring maximum comfort. Safety is also a top priority with features such as a secondary heat exchanger and an integrated carbon monoxide sensor, providing peace of mind to users.

Overall, the Lennox G40UH(X) gas furnace embodies quality, efficiency, and innovative design, making it a popular choice for homeowners looking to enhance their heating systems. With its combination of advanced technology, substantial performance, and user-friendly features, the G40UH(X) remains an ideal solution for modern indoor comfort.