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20,000-Btu Vent-Free Blue Flame Natural Gas Heater
- Mfg.#
- F299721
- Sku#
- 837203
- 20,000 BTU per hour
- For use with Natural Gas
- Heats up to 500 sq. ft.
- Blue flame burner for even convection heat
- Thermostat for automatic temperature control
* Estimated stock levels as of Fri, Mar 6, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
This Blue Flame 20,000 BTU Natural Gas Vent Free heater is the perfect supplemental heating solution even on the coldest days. This heater is conveniently equipped with a thermostat for superior control of the temperature in your space. Also, with a battery powered electronic ignition, starting it is a breeze - battery included. This unit can be permanently mounted to the wall or securely fastened to the floor with included mounting brackets and fasteners. A clean burning blue flame tube burner uses the natural convection of the burn to circulate warm comfortable air. With a factory standard Oxygen Depletion Sensor (ODS), rest assured this heater will provide you with years of comfortable and safe heat.
Specifications
General
| BTU | 20000 |
|---|---|
| Color | White |
| Coverage | 500 sq ft |
| Fuel Type | Natural Gas |
| Type | Natural Gas Heater |
| Usage | Supplemental heat in cold rooms |
Dimensions
| Height | 27 in |
|---|---|
| Length | 23.75 in |
| Weight | 26.75 lb |
| Width | 11.25 in |
Manufacturing Details
The following information is subject to change without notice
| Prop 65 Warning |
Check local code for permitted uses. Not for use in bathrooms, bedrooms, or recreational vehicles. 4,500 ft high altitude restriction. Propane cylinder must remain outdoors. WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information visit www.P65Warnings.ca.gov
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