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MamaBurn Used-Oil Heater Kit (H-8014A)

For shop size 1,200 to 2,500 sq ft, depending on insulation and other factors

Mama is Versatile!

The MamaBurn takes up less than 10 square feet, conserving your valuable floor space. A quiet 1100 CFM squirrel cage blower pushes hot air through 28 heat exchanger tubes and into your shop. The air plenum can be rotated to discharge the heated air in any direction. The heated air comes out close to the floor where you want it, pushed out 15 to 20 feet.

The heat can be easily ducted to another space to be heated (see the Sheet Metal Take Off option) while still heating your shop. Or, place the heater in an enclosed space outside your shop and duct the heat in, saving shop floor space.

There are 4,420 sq inches of heat exchanger surface in this heater, giving you very high heating efficiency. Compare this heating surface area and the cfm of the heat exchanger blower, and you will find they are higher than any other heater on the market.

With double rows of heat exchanger tubes there is little direct radiant heat, making the heater comfortable to work next to in a tight shop. All of the controls are located conveniently at the front of the heater. Adjustments are easy to make while viewing the combustion through the fire inspection hole.

As in our other kits, the combination of fuel control, combustion air control, a hot combustion chamber, and turbulent mix of fuel vapors with combustion air creates very clean burning. There is no filtering required, and a screen assembly for your reservoir helps keep larger material from plugging the suction strainer. You can maintain everything in the kit yourself.

The kit includes: Burner Control Package (oil pump, combustion air pipe assembly, combustion chamber, fuel tubes, hoses); 28 pre-cut steel heat exchanger tubes, gaskets, and hardware; barrel legs; baffle; 1100 CFM Blower, shroud, and controls; top and bottom air plenums; screen assembly and suction strainer for your oil reservoir; and all hardware, hoses, and tubing needed, plus detailed assembly instructions. 

You supply: 55 gallon barrel, 6” flue pipe, and a reservoir for your used oil (a 30 or 55 gallon barrel works well). The barrel will last a long time because there is no direct flame that hits the barrel.

Operation: To start, preheat the combustion chamber with 1/4 to 1/3 cup of kerosene or diesel and wadded up newspaper. This will get it hot enough so the oil will start vaporizing and burn by itself. It will run continuously at the heat output you set with the speed control on the pump. This heater is not thermostatically controlled and is not intended to be run unattended.

How hard is it to assemble?

Your barrel will need the following modifications as instructed in the kit:

1. Drill 28 1.” holes in top and bottom of barrel for heat exchanger tubes (a hole saw is provided).

2. Cut out a flue hole near the top of the barrel.

3. Cut out a square hole in side of barrel for a door.

4. Cut out or drill a 2” hole above the door for viewing the fire.

5. Cut out or drill a 2-3/8” hole in the top of barrel for the combustion air pipe.

The remainder of the assembly is mainly marking and drilling holes for screws and attaching the supplied parts.

No welding is required.

Clear, step-by-step assembly instructions with photos are provided. 8 - 12 hour assembly time.

Data sheet

Variable Heat:
70,000 Btu to 125,000 Btu
Oil Consumption:
1/2 gallon to 7/8 gallon per hour
Electrical requirements:
7 Amps, 115 VAC, 60 Hz
Approximate weight:
200 lbs (225 lbs shipping weight)
Heating efficiency:
70 to 75%
Assembled dimensions:
Approximately 32” square x 62” H • 10 to 15 hours assembly time • No Welding Required • Flue size 6”
MamaBurn (H-8014A) Vertical Used Oil Heater Kit
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