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20,000 Btu Vent Free Blue Flame Dual Fuel Heater
- Mfg.#
- F299320
- Sku#
- 838052
- Dual LP/NG Low Oxygen Depletion Systems
- Fail Safe Fuel Type Selector Knob
- Thermostat Control for Superior Temperature Control
- Battery Operated Electronic Spark Ignition
- Feet and Wall Mounting Hardware Included
* Estimated stock levels as of Sat, Mar 28, 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
Mr. Heater certified dual fuel vent free heaters are your perfect supplemental heating solution. This blue flame 20,000 BTU heater comes with integrated electronic ignition and on-board thermostat for superior temperature control. With mounting feet and wall mount hardware included, installing and starting the unit is a breeze. Mr. Heater provides peace-of-mind with a patented, two-step fuel connection process to eliminate wrong-fuel hook-up. Featuring a clean-burning blue flame tube, the heater uses natural convection properties to circulate warm, comfortable air. With factory-installed dual, Low Oxygen Safety System, you can be confident and comfortable for years to come.
Specifications
General
| BTU | 20,000 |
|---|---|
| Color | White |
| Coverage | 700 sq ft |
| Fuel Tank Capacity | 20# Propane Cylinder |
| Fuel Type | NG or LP, dual fuel |
| Heat Type | Blue Flame |
| Heating Element | Blue Flame |
| Ignition Type | Electric |
| Includes | Feet and Wall Mounting Hardware |
| Maximum Elevation | 4,500 |
| Safety | Oxygen Depletion Sensor |
| Thermostat | Yes |
| Type | Dual Fuel Heater |
Dimensions
| Height | 27 in |
|---|---|
| Length | 12.75 in |
| Weight | 30.32 lb |
| Width | 23.62 in |
Manufacturing Details
The following information is subject to change without notice
| Manufacturer Warranty | 1 Year Limited |
|---|---|
| Prop 65 Warning |
WARNING: Fuels used in liquefied propane gas appliances, and the products of combustion of such fuel, can expose you to chemicals including benzene, which is known to the State of California to cause cancer and cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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