Rinnai FC824N Vent-Free Fan Convector – Natural Gas
The Rinnai FC824N delivers powerful, even heat for medium to large rooms using clean-burning Natural Gas and vent-free installation. With up to 22,000 BTU of output, this model warms larger living areas quickly and quietly. A variable-speed fan, electronic thermostat, and multiple built-in safety sensors ensure comfortable, reliable heat without the need for ductwork or venting.
Key Benefits
- High-output heat up to 22,000 BTU for larger living spaces.
- Natural Gas model for whole-home NG systems.
- Vent-free design installs easily with no external venting required.
- Variable-speed blower provides even, quiet heat distribution.
- Electronic thermostat maintains steady room comfort.
- Cool-touch cabinet improves safety for children and pets.
- ODS safety sensor for added vent-free protection.
- Great for larger spaces like basements, dens, open living areas, and additions.
Specifications
- Model: FC824N
- Fuel Type: Natural Gas
- BTU Range: ~8,200 – 22,000 BTU/h
- Dimensions: approx. 23.6" H × 27.5" W × 10.4" D
- Thermostat: Electronic adjustable control
- Fan: Variable-speed blower
- Safety: ODS sensor, overheat shutdown, cool-touch cabinet
- Installation: Vent-free, floor-mount installation
- Warranty: Manufacturer Limited Warranty
Common Uses
- Basements and daylight-level living areas
- Large living rooms and open-concept spaces
- Cabins and homes with Natural Gas service
- Supplemental heat for larger cold rooms
Comparison Chart
| Model | Fuel Type | BTU Range | Room Size | Dimensions (H × W × D) | Blower | Safety Features | Best For |
|---|---|---|---|---|---|---|---|
| FC824N | Natural Gas | 8,200 – 22,000 BTU | Medium–large rooms | 23.6" × 27.5" × 10.4" | Variable-speed | ODS sensor, cool-touch cabinet, overheat shutdown | Basements, living rooms, large areas |
| FC824P | Propane | 8,200 – 22,000 BTU | Medium–large rooms | 23.6" × 27.5" × 10.4" | Variable-speed | ODS sensor, cool-touch cabinet, overheat shutdown | LP homes, big cabins, large additions |
| FC510N | Natural Gas | 5,500 – 10,000 BTU | Small rooms | 19.3" × 22.7" × 9.4" | Variable-speed | ODS sensor, cool-touch cabinet, overheat protection | Bedrooms, offices, small zones |
| FC510P | Propane | 5,500 – 10,000 BTU | Small rooms | 19.3" × 22.7" × 9.4" | Variable-speed | ODS sensor, cool-touch cabinet, overheat protection | Cabins, cottages, LP tiny homes |
NOTE: Rinnai Vent-Free Fan Convectors are intended for supplemental heating only according to the International Fuel Gas Code (IFGC) and should be used in applications as such. Some states prohibit the use of unvented heaters. Check local codes for your area to verify approval of use.
State of California: NOT AVAILABLE
California law requires this notice to be provided: California Proposition 65 lists chemical substances known to the state to cause cancer, birth defects, death, serious illness or other reproductive harm. This product may contain such substances, be their origin from fuel combustion (gas, oil) or components of the product itself.
* It is recommended that a trained and qualified professional who has attended a Rinnai training class complete the installation. The warranty may be voided due to any improper installation.
— Installation and service must be performed by a licensed professional.