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Dayton mod#3e219b gas heater

Unit runs ok with top cowling off, but with cowling on unit dies out with in sceconds. Unit has a new air pump installed and a new ignitor. Hopefuly you can help us.

Thanks Dale

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Re: dayton mod#3e219b gas heater

Air compressor output should be 3.5 psi. to the fuel nozzle. the cowlings purpose is to channel the air-fan output through the rear vanes of the combustion chamber. if these openings are restricted then air can't get into the chamber. check to see that the fan blades aren't jammed against the cowling. if they won't spin then you won't get any air through the unit.

Posted on Dec 26, 2007

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