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GrandAire® - 92+% AFUE 100,000 Btuh Multiposition Gas Furnace

Item: GRAN-WFAR100C048C

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About This Product

Product Info


  • Heating efficiency of 92.1 AFUE; California NOx approved
  • Direct-vent/sealed combustion, single-pipe venting or ventilated combustion air
  • PSC blower motor
  • 4-way multipoise furnace
  • Hot surface ignition
  • LED diagnostics and self test feature
  • Stores fault codes during power outages
  • Adjustable heating air temperature rise
  • Adjustable cooling airflow
  • Approved for Manufactured Housing/Mobile Home applications with accessory (order separately)
  • Certified to leak 2% or less of nominal air conditioning CFM delivered when pressurized to 1-inch water column with all present air inlets, air outlets and condensate drain port(s) sealed.
  • 1 year No Hassle Replacement limited warranty
  • 20 year heat exchanger limited warranty
  • 5 year parts limited warranty - With timely registration, an additional 5 year parts limited warranty
* For owner occupied, residential applications only. See warranty certificate for complete details and restrictions,
including warranty coverage for other applications.
Warning: this product contains a chemical known to the State of California to cause cancer.


Weight160 Pounds (lbs)
Width22 Inches (In)
Height37.12 Inches (In)
Country of OriginUSA
Length30.5 Inches (In)
Air FlowMulti-Position
Blower Motor HP1/2 HP
Blower Motor RPM500
Blower Motor Speeds4 (Four)
Blower Motor TypePSC
Blower Wheel11" x 10
BTU Input100000
BTU Output93000
CertificationsAHRI Certified
Circuit Breaker - Max Amps15
Circuit Breaker - Min Amps10.1
Cycle/Hertz60 Hz
Draft Inducer Speeds1 (Single)
Energy Star RatedNo
ETL ListedNo
FER CompliantNo
Filter Size24" x 25" x 1
Fuel TypeNatural Gas
Full Load Amps6.5
Gas Connection1/2" [12.7 mm] N.P.T.
Ignition TypeHot Surface (HSI)
Includes Filter RackNo
Product FamilyWFAR
Prop 65Yes
Rated Current Amps6.5
Rated Load Amps6.5
Thermal Efficiency92.1%
UL ListedNo
Voltage115 VAC
Warranty OfferedYes


Equipment Part List