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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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.
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| 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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