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The Rheem R801T0503A14UHSNAS from the Endeavor Classic Series is a compact, reliable, standard‑efficiency natural gas furnace designed for dependable heating performance and long‑term durability. Delivering 50,000 BTU of heating output with an 80% AFUE rating, this natural gas furnace is ideal for smaller homes, townhomes, or well‑insulated spaces. Its 1‑stage gas valve provides straightforward, consistent heating, while the ECM multi‑speed blower improves airflow efficiency and pairs seamlessly with 3‑ton cooling systems. The slim upflow A‑cabinet design fits tight mechanical spaces and offers flexible installation in basements, closets, and utility rooms.
Cabinet Dimensions
Height: 34 in
Width: 14 in
Depth: 28.75 in
Key Features
50,000 BTU Heating Output – Ideal for smaller homes or energy‑efficient construction.
80% AFUE Efficiency – Standard‑efficiency performance with a lower upfront cost.
1‑Stage Gas Valve – Simple, dependable heating with consistent comfort.
ECM Multi‑Speed Blower – Efficient airflow, quieter operation, and improved comfort.
3‑Ton Airflow Capacity – Perfect match for 3‑ton AC or heat pump systems.
Upflow “A” Cabinet – Slim footprint ideal for tight mechanical spaces.
Sealed, Insulated Cabinet – Reduces heat loss and minimizes operating noise.
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Endeavor Classic Build Quality – Engineered for reliability, durability, and long service life.
We service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to) this coverage area:
Nassau County: Oyster Bay, Hempstead, North Hempstead, Glen Cove, Long Beach, Freeport, Valley Stream, Garden City, Great Neck, Mineola, Hicksville, Levittown, Massapequa, Bethpage, Plainview, Syosset, Jericho, Westbury, Rockville Centre, Farmingdale
Suffolk County: Huntington, Babylon, Islip, Smithtown, Brookhaven, Riverhead, Shelter Island, Southold, Southampton, East Hampton, Commack, Deer Park, Lindenhurst, Bay Shore, Brentwood, Central Islip, Hauppauge, Centereach, Selden, Medford, Patchogue, Shirley
Contact us today at (631) 779-3196
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