MHUniversity Forced Air Kerosene

The Forced Air Kerosene heaters - Big Heat when and where you need it with a new enclosed motor and quieter operation. Whether you are using it in a garage or on the jobsite, these 50,000 - 400,000 BTU Forced Air Kerosene heaters are up for the task. Made with a split upper shell designed for easy maintenance and high output fully enclosed motors, you can expect long life and faithful service from your Forced Air Kerosene heater. Controlled by a factory installed thermostat, these units effortlessly heat up a lot of space quickly. They are equipped with a high-limit safety switch and a photo CAD cell to shut the unit off in unsafe conditions. You can use these heaters with no worries and focus on the task at hand. These heaters have all the versatility and safety features the jobsite requires.

Page Contents

Forced Air Kerosene Heater FAQs
Forced Air Kerosene Manuals and Troubleshooting Guides
Forced Air Kerosene Heaters
Forced Air Kerosene Accessories
Forced Air Kerosene Heater Videos
Parts Ordering

Forced Air Kerosene Heater FAQs

Why doesn't my heater come with a hose and/or regulator?

Your heater may not include a hose and/or regulator because it is not required for the product to function. Or there may be multiple options available in regards to the length of the hose, what length you need, etc.

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What does the heating area square feet mean?

Square footage is the length of an area times the width of an area. Knowing the square footage of an area allows you to estimate the amount of BTUs necessary to heat the area most effectively. A generally accepted formula is: Square Footage x 40 = required BTUs. This is just a starting point. Ceiling height, building layout, and level of insulation will also factor into your BTU needs.

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Why does my fan start but doesn't blow out any heat or fumes OR smells and smokes?

First be sure there is fresh kerosene in the tank. Disconnect the power plug and pull the top of the heater off and check that all of the rubber air and fuel lines are connected. (at the back of the motor/pump, going into the fuel tank and by the back of the burner assembly) Also check to be sure that the rubber lines are not cracked or broken. Last, check the fuel filter inside the fuel tank to see if it might be clogged. Then adjust the air pressure correctly.

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Why will the fan start on my heater but only a cloudy mist of kerosene comes out with no heat?

Check to see the status of the spark electrode inside the back of the burner assembly by first unplugging the heater than pull the top off and see if the heavy spark plug wires are connected to the spark electrode. If it is connected pull the spark electrode out and see if it is wet. Also check the gap of the electrodes, the gap should not be more than 1/8 or 0.013-0.015."

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Why when I have plugged in my heater and turn it on nothing happens

Be sure to unplug the heater first and pull the top cover off and check to see if anything is blocking the fan blade from turning. Try turning the fan blade by hand to see if the motor is locked-up because of a broken rotor/air pump assembly. There is also a high limit sensor that if popped will not let the motor start. Last if the top cover is off the heater and there is a bright light or you are outside with the sun light this will prevent the heater from starting because of the photo cell. Fan blade check for obstructions and turn blade by hand to check for motor bearing binding or air pump rotor restrictions.

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What is a High Limit Safety shut-off?

A High Limit Safety is a switch located inside the device which will turn it off if the internal temperatures of the device rise above a specific level.

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Do you need to order parts?

For your convenience please enter your serial number below to access Mr. Heater’s interactive schematic & parts ordering system. This system will allow you to browse your specific product schematic to order the correct service parts as well as download a complete manual for your make & model year.  If your product was produced any year prior (2011 and earlier), please call our Service Department at 1-800-251-0001, where our technicians will gladly assist you.


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We try to make our FAQs as comprehensive as possible but sometimes things are missed!  We apologize for the inconvenience and ask that you contact us so we may assist you.  You have multiple options to get a hold of us:

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Forced Air Kerosene Heater Manuals and Troubleshooting Guides

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Forced Air Kerosene Heater Videos

   

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Parts Ordering

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