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A R80MSN Day & Night R-Series 80 Gas Furnace sits inside home
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A R80MSN Day & Night R-Series 80 Gas Furnace
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R80MSN

R-Series 80 Gas Furnace

Stay comfortable all season long with an efficient gas furnace built for dependable performance. Its single-stage operation and 18-speed blower motor work together to provide steady, customized airflow and comfort.

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Heat Exchanger Warranty
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Enhanced home com Timely registration required for 10-year parts limited warranty. Limited warranty period is five years for parts if not registered within 90 days of installation except in jurisdictions where warranty benefits

cannot be conditioned upon registration. Please see warranty certificate for further details and restrictions

fort levels

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Features & Benefits (open)
  • Single-stage operation
  • Constant speed torque ECM blower motor that offers 18 speed options for your dealer to select from for personalize home comfort.
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Air purifier and humidifier compatible
  • High temperature limit control prevents overheating
  • 10-Year Parts Limited Warranty upon timely registration+
  • 20-year Heat Exchanger Limited Warranty
Specifications
  • Efficient multi 18-speed ECM blower motor
  • Induced draft combustion motor Single-stage gas valve
  • RPJ ® (Rigid Press Joint) primary heat exchanger, stainless steel secondary heat exchanger
  • Reliable hot surface ignition
  • Sound-reducing features: soft mounted blower and inducer motor
  • Compatible thermostat: heat/cool
  • Heating capacity: 45,000–110,000 BTUh
Product Details (open)
Reference: table
Documents
Reference: document-listing
No Hassle Replacement<sup>TM</sup> Limited Warranty Parts Warranty
10-Year Parts Limited Warranty±
Efficiency Rating Efficiency Rating
80% AFUE

AFUE

Gas furnaces use Annual Fuel Utilization Efficiency (AFUE) as their efficiency measurement. The higher the AFUE, the greater the efficiency and the greater your energy savings potential

Heat Exchanger Warranty Heat Exchanger Warranty
20-Year Heat Exchanger Limited Warranty
Blower Motor Blower Motor
Blower motor with 18 speed options for your dealer to select from

Blower Motor

The blower motor helps circulate heated air through the ductwork and distributes it evenly throughout the home for consistent indoor comfort.

Heating capacity Heating capacity
45,000–110,000 BTUh

Heating Capacity

Heating capacity for a furnace refers to the amount of heat a furnace can produce to warm a space, measured in British Thermal Units per hour (BTUh).

Operation Operation
Single-stage operation

Operation

A single-stage unit operates at full capacity when on, a two-stage unit has two levels of operation (low for mild heating needs and high for maximum heating), and a modulating unit continuously adjusts its output to match the precise heating demands, offering more efficient and consistent temperature control.

Categories
gas-furnaces

+ Timely registration required for 10-year parts limited warranty. Limited warranty period is five years for parts if not registered within 90 days of installation except in jurisdictions where warranty benefits cannot be conditioned upon registration. Please see warranty certificate for further details and restrictions

California residents please see Proposition 65