Question about Desa International Kerosene Portable Forced-Air Heater
Run for 1/2 hour or 5 min. It just stops heating and eventually the reset will kick off. I think it's running out of fuel to the nozzle. I don't know where to look for the filter and I don't know the theory of fuel delivery in these units. It has a spark plug and seems to have good spark. It ran perfectly until last week. Any help would be appreciated. Thanks in advance.
Emery- there are 2 types of filters used in the spark plug heaters.. Most likely yours is a long cylindrical type which is hidden inside the pickup tube that drops into the tank. These filters tend to get gummed up with a black, tar type goo that restricts fuel flow & starves the flame. The other is a lawnmower type filter. Go to this page for pictures of both types of filter.
The filter is probably the problem. The flame goes out due to lack of fuel, then the photocell shuts the heater down due to lack of flame.
Don't rule out water in the fuel. Water will cause a flameout condition, also.
Posted on Dec 20, 2008
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