Question about Dayton U33/U32 Utility Heater

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Buzzing noise - loud

I have a dayton utility heater that we had running when we smelt a little burning smell and then all of sudden it started making a loud buzzing noise. I pulled the back off of it and the noise is coming from a electric solenoid on the bottom of the heater a wire comes off of this and goes to the fan. What do I need to look for?


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Re: buzzing noise - loud

Check for dirt in the air gap that is formed between the electromagnet and the contact form. if there are any shading coils on the magnet check for a broken one.

Posted on Dec 31, 2007

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