| AFUE | : | 92 % |
| Air Flow Direction | : | Upflow~Downflow~Horizontal~Multi-Position |
| BTU Heating Input Rating (Custom) | : | 96,000 BTU/h |
| BTU Heating Input | : | 98,000 BTU/h |
| BTU Heating Output Rating (Custom) | : | 96,000 BTU/h |
| BTU Heating Output | : | 93,100 BTU/h |
| CFM Airflow (Custom) | : | 1,914 CFM |
| CFM Airflow | : | 1,900 CFM |
| Communicating | : | No |
| Depth | : | 29.63 in |
| Energy Star Certified | : | Yes |
| Fuel Type | : | Natural Gas~Liquid Propane |
| Height | : | 34 in |
| Ignition Type | : | Direct Spark |
| MBH | : | 98 MBH |
| Model Number | : | R921T |
| Motor Type | : | Constant Torque ECM |
| Number of Stages | : | Single-Stage |
| Phase | : | 1 ph |
| Product Family | : | Endeavor Line Classic |
| Product Weight | : | 155 lbs |
| Vent Type | : | Direct Vent~Concentric |
| Voltage Rating | : | 115 V |
| Width | : | 21 in |
The Rheem® Endeavor Line Classic R921T is a single-stage gas furnace designed to deliver reliable and efficient heating for residential applications. With a 92% AFUE rating and ENERGY STAR® certification, this unit provides energy savings compared to standard models. This furnace is equipped with a constant torque ECM motor that ensures consistent airflow for comfortable, even heating, while its versatile 4-way multi-position design supports upflow, downflow, and horizontal installations, providing contractors with maximum flexibility on the job.
- PlusOne® Diagnostics: Features an industry-first, 7-segment LED display for quick and straightforward service diagnostics.
- Water Management System: Includes the Rheem-exclusive PlusOne® blocked drain sensor, which automatically shuts off the furnace to prevent water damage.
- Reliable Ignition: Utilizes the proven PlusOne® Direct Spark Ignition (DSI) system for dependable operation and long service life.
- Durable Construction: Built with an aluminized steel primary heat exchanger and a stainless steel secondary heat exchanger for enhanced durability.
- Installation Flexibility: Designed for 4-way multi-position installation (upflow, downflow, horizontal left or right) to accommodate various applications.
- Comprehensive Warranty: Covered by a 10-year conditional parts warranty and a limited lifetime heat exchanger warranty for peace of mind.
