Warranty & Registration Lookup
Register your Rheem product or verify your warranty terms and coverage.
Find a Pro
Put your water heater and heating and cooling system installation in good hands with a trustworthy, independent Rheem Pro.
Replace a Part
Find what you need to keep your Rheem equipment working perfectly.
Blogs
Read articles and industry news for homeowners and contractors.
Financing
Don’t let a limited budget keep you from getting the comfort equipment you need for your home or business.
FAQs
Get answers to all the most frequently asked questions (FAQs) about Heating, Cooling & Water Heating.
Who We Are
Learn more about Rheem, our history and our commitment to sustainability.
Sustainability
Learn about our commitment to doing good by our customers, our partners, our employees - and our planet.
Careers
Passionate, innovative thinkers work here, grow here and impact the next generation. We are driven to provide the perfect degree of comfort for homes and businesses.
Our Leadership
Find detailed profiles of our company's key executives, highlighting their professional backgrounds, expertise, and roles within the organization.
News Releases
Stay up to date with the latest news and press releases from Rheem Manufacturing and its family of brands.
Blogs
Read articles and industry news for homeowners and contractors.
svg-icon
Residential Products
svg-icon
HomeProductsResidentialHeating and CoolingR921T Endeavor® Line Classic® Series Gas Furnace

R921T Endeavor® Line Classic® Series Gas Furnace

MODEL R921T0703A17M4SNAS

Conditional Parts (Registration Required): Ten (10) Years

Heat Exchanger: Limited Lifetime

  • 92% A.F.U.E
  • Heating Stages: Single Stage
  • Motor Type: Constant Torque
  • Input Rates: 40 to 115 kBTU [11.7 to 33.7 kW]
  • Configuration Options: 4-Way Multi-Position
Select Tonnage
3.5
Tons
4
Tons
6
Tons
7.5
Tons
8.5
Tons

SKU R921T0703A17M4SNAS
Warranty Years 10
Model R921T Endeavor® Line Classic® Series Gas Furnace
Tonnage 6
Depth 29.63"
Height 34"
Width 17.5"
Nominal Capacity in BTUH 66500

  • Peace-Of-Mind Performance: Relax, you’re covered by one of the best warranties in the industry10 Year Conditional Parts + Limited Lifetime Heat Exchanger.
  • Energy Efficiency: Savings Higher AFUE (Annual Fuel Utilization Efficiency) ratings mean more energy savings and this 92% AFUE, U.S. South ENERGY STAR® certified gas furnace will be up to 11 percent more efficient than standard models and can save an average of $30 in energy costs each year and potentially even more with available rebates. Visit Rheem.com/Rebate to check your state’s rebate policies.
  • Efficient Comfort: Constant torque ECM motor technology delivers the heated airflow to meet your requested warmth requirement.

Conditional Parts (Registration Required): Ten (10) Years

Heat Exchanger: Limited Lifetime

More Residential Rheem Products

Find additional documentation by viewing these related products.

R98MV Endeavor® Line Prestige® Series Gas Furnace
Tonnage 5-8.5
  • 98% AFUE
  • EcoNet Enabled
  • Heating Stages: Modulating
  • Constant CFM Motor
  • Configuration Options: Upflow 
R97MV Endeavor® Line Prestige® Series Gas Furnace
Tonnage 5-8.5
  • 97% AFUE
  • EcoNet Enabled
  • Heating Stages: Modulating
  • Motor Type: Constant CFM
  • Configuration options: Downflow/Horizontal
R962V Endeavor® Line Classic Plus® Series Gas Furnace
Tonnage 2.5-6
  • 96% A.F.U.E
  • EcoNet Enabled
  • Heating Stages: Two-Stage
  • Motor Type: Constant CFM
  • Configuration Options: 4-Way Multi-Position
R951V Endeavor® Line Classic Plus® Series Ultra Low NOx Gas Furnace
Tonnage 3.5-7.5
  • 95% A.F.U.E.
  • EcoNet Enabled
  • Heating Stages: Single Stage
  • Motor Type: Constant CFM 
  • Input Rates: 40 to 100 kBTU [12.31 to 27.84 kW]
  • Configuration Options: 4-Way Multi-Position