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1/25/2018 7:38:29 AM
Posted: 1/11/2006 6:00:42 AM EST
When our heater turns on it makes a loud sort of electric humming buzzing sound. The sound is very noticeable and distinct. It is an intertherm unit.

Anyone out there specialize in heating/cooling?

What would make this thing be so damn loud? Would I be able to fix it myself or is it going to cost an arm, leg and kidney?
Link Posted: 1/11/2006 6:04:46 AM EST
draw down and do a double tap


I would say call a pro but their probably is one here.
Link Posted: 1/11/2006 6:05:37 AM EST
Is it an electric unit or gas?

If electric it sounds like a sequencer or it could be a fan relay.

If it is gas it could be a fan relay.

If it has a control module (board) on it then it could be something on it making the noise.

BigDozer66
Link Posted: 1/11/2006 6:06:29 AM EST
electric heat?

shorted coil I'm guessing.



(Holiday Inn last night)
Link Posted: 1/11/2006 6:07:06 AM EST
electric.................
Link Posted: 1/11/2006 6:17:10 AM EST

Originally Posted By Combatvet:
electric.................



Is it a residential or mobile manufactured home?

Does it have a control board in it?

BigDozer66
Link Posted: 1/11/2006 6:31:22 AM EST
Could be the 240 to 24 volt transformer. Try giving it a tap with something non metalic. Or it could just be loose mounting screws.
Link Posted: 1/11/2006 7:07:57 AM EST
Sounds like a contactor buzzing. SOme contactors have rubber pads to keep them from doing that and they deterorate over time. You need to pull the covers off and try & locate the source of the noise first, then go from there.
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