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  6. SL280UH090V48B, 80% AFUE, Upflow/Horizontal, Gas Furnace, Variable Speed, 2 Stage, 90,000 Btuh, 4 Ton, DLSC Series

SL280UH090V48B, 80% AFUE, Upflow/Horizontal, Gas Furnace, Variable Speed, 2 Stage, 90,000 Btuh, 4 Ton, DLSC Series

Cat # : 78W71 | Model/Part #: SL280UH090V48B

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Related Products

Dave Lennox Signature® Collection

SL280V Variable Speed Gas Furnace

The quietest furnace in its class

The SL280UH090V48B is designed to deliver cozy and reliable warmth, while keeping operating sounds at a minimum. It's also engineered to perform at peak efficiency, so your customers can enjoy substantial energy savings compared to an older system.

Upflow/Horizontal

Energy Efficiency

  • 80% AFUE heating efficiency—rating can save hundreds of dollars each year, compared to older furnaces
  • Improved cooling efficiency—achieved by matching with a Lennox air conditioner or heat pump, the SL280V will improve the system's SEER**
  • Dual-fuel capability—can be combined with an electric heat pump to create a dual-fuel system. This combination minimizes heating costs by seamlessly alternating between the two energy sources, depending on outdoor conditions
  • iComfort™-enabled technology—allows the furnace, when installed with the easy-to-use programmable iComfort Wi-Fi® thermostat, to exchange information and make adjustments as needed to optimize performance and efficiency***
  • Sealed blower compartment—minimizes losses and maximizes efficiency and comfort

Quiet Operation

  • The quietest furnace in its class—up to 4-1/2 times quieter than competitive models
  • SilentComfort™ technology delivers the ultimate in quiet, consistent heating
  • Special sound-absorbing materials—further reduce sound for even quieter operation

Home Comfort

  • Two-stage operation—provides more even temperatures inside the home
  • Variable speed technology—delivers greater humidity control and consistent airflow for improved comfort and indoor air quality
  • Ultra-low continuous fan speed—provides a quiet, constant flow of air and optimizes indoor air quality accessories

Reliable Performance

  • Duralok™ heat exchanger—made of patented ArmourTuf™ steel. Life-tested in excess of agency requirements for long product life and durability
  • SureLight® igniter—silicone nitride construction ensures long product life and reliable operation
  • SureLight control board—controls furnace operation to ensure high reliability and efficiency
  • Durable steel cabinet—sleekly styled and made to last with a contoured design and high-quality paint finish

*Criteria used in this example are 2,000 full-load heating hours, with a 60,000 Btuh heating design load and $1.368 ccf for gas. Actual savings may vary, depending on the weather patterns in local area, local fuel rates and individual lifestyle.

**Proper sizing and installation of equipment is critical to achieve optimal performance. Verify actual system efficiency at www.ahridirectory.org

***iComfort Wi-Fi® Touchscreen thermostat must be installed with an iComfort-enabled indoor unit for maximum performance.
Brand Lennox
Catalog Number 78W71
Model/Part Number SL280UH090V48B
Minimum Order Quantity 0.0
Base Unit of Measure Unit(S)
Product Depth 27.75 IN
Product Height 33 IN
Product Width 17.5 IN
Product Voltage 120V 1ph 60 hz
Blower Motor Variable Speed
Configuration Upflow/Horizontal
iComfort Enabled true
Heating Type 2 Stage
Input 2 kBTU 88
Input 1 kBTU 57
Low Nox FALSE
Return Opening 16 x 23.5 IN
Supply Opening 16.375 x 19.4375 IN
Gross Weight 152 LB
Length 32.5 IN
Family SL280UHV
Cooling Capacity 4.0 Ton-blower
Heating Capacity 88, 000 Btuh
Efficiency 80.0 AFUE
Series Dave Lennox Signature Collection

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