Rinnai FC510P Vent-Free Fan Convector – Propane (LP)
The Rinnai FC510P is a compact, quiet, and efficient vent-free heater designed for small rooms, cabins, and insulated spaces that rely on propane. Delivering up to 10,000 BTU, this LP model uses a variable-speed blower and electronic thermostat to maintain clean, comfortable warmth—without the need for venting or ductwork. Safe, reliable, and easy to operate, it’s an excellent solution for supplemental or primary zone heating.
Key Benefits
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Vent-free heating installs quickly with no venting or ductwork needed.
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Compact 10,000 BTU output sized for small- to mid-size spaces.
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Propane (LP) model ideal for cabins, cottages, and off-grid homes.
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Quiet variable-speed fan circulates warm air evenly.
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Electronic thermostat ensures accurate, consistent temperature control.
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Cool-touch cabinet increases safety for children and pets.
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Oxygen Depletion Sensor (ODS) adds safety for vent-free operation.
Specifications
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Model: FC510P
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Fuel Type: Propane (LP)
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BTU Range: ~5,500 – 10,000 BTU/h
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Dimensions: approx. 19.3" H × 22.7" W × 9.4" D
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Thermostat: Electronic adjustable control
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Fan: Variable-speed for steady heat distribution
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Safety: ODS sensor, overheat protection, cool-touch cabinet
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Installation: Vent-free, floor-mount against interior wall
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Warranty: Manufacturer Limited Warranty
Comparison Chart
| Model |
Fuel Type |
BTU Range |
Room Size |
Dimensions (H × W × D) |
Blower |
Safety Features |
Best For |
| FC510N |
Natural Gas |
~5,500 – 10,000 BTU |
Small rooms |
Approx. 19.3" × 22.7" × 9.4" |
Variable-speed fan |
ODS sensor, cool-touch cabinet, tip-over protection |
Bedrooms, offices, cabins |
| FC510P |
Propane |
~5,500 – 10,000 BTU |
Small rooms |
Approx. 19.3" × 22.7" × 9.4" |
Variable-speed fan |
ODS sensor, cool-touch cabinet, tip-over protection |
Cabins, cottages, off-grid rooms |
| FC824N |
Natural Gas |
~8,200 – 22,000 BTU |
Medium–large rooms |
Approx. 23.6" × 27.5" × 10.4" |
Variable-speed fan |
ODS sensor, cool-touch cabinet, overheat shutdown |
Basements, living rooms, large additions |
| FC824P |
Propane |
~8,200 – 22,000 BTU |
Medium–large rooms |
Approx. 23.6" × 27.5" × 10.4" |
Variable-speed fan |
ODS sensor, cool-touch cabinet, overheat shutdown |
LP homes, cabins, large spaces |
Common Uses
- Cabins, cottages, tiny homes, and LP-based heating systems
- Small bedrooms and offices
- Supplemental heat for cold rooms
- Spaces without access to ductwork or venting
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.
Color
Off-White
Gas Type
Natural Gas and Propane
Input Range (Low/High)
Natural Gas: 5,500 / 10,000 BTU
Propane: 5,600 / 10,000 BTU
AFUE Rating
99.9%
Fan Output (Low/High)
67.8 / 97.8 CFM (1.9 / 2.8 CMM)
Dimensions:
Width: 19.2 inches (487 mm)
Height: 19.4 inches (492 mm)
Depth: 9.6 inches (244 mm)
Shipping Weight
22.1 lbs (10kg)
Power Consumption (Electronic ignition)
19 watts
Standby Power Consumption
N/A
Noise Level
28 - 38 dB
Total Extended Vent
N/A
Total Vertical Vent
N/A
Certifications
CSA for U.S. only
Warranty*
3-year on parts
Approved Altitude
5,200 ft. (1,585 m)
Product Height
19.4 in / (492 mm)
Product Width
19.2 in / (487 mm)
Product Depth
9.6 in / (244 mm)
Product Weight
22.1 lb / (10 kg)
Shipping Depth (inches/mm)
23 in / (584 mm)
Shipping Height (inches/mm)
23 in / (584 mm)
Shipping Width (inches/mm)
22 in / (559 mm)
Shipping Weight (lbs/kg)
26.5 lb / (12 kg)
