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Old 07-28-2011, 09:26 AM   #1
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evaporator water blowoff


we have a down flow furnace, the water is being blow off the a coil straight into the duct work, we have turned down the speed on the blower, any suggestions?

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Old 07-28-2011, 04:42 PM   #2
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evaporator water blowoff


Next step is to clean the evap coil. Doesn't take hardly any cooking oil residue or candle wax to make a down flow act exactly like yours.

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Old 07-29-2011, 12:30 PM   #3
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evaporator water blowoff


well cleaned that today, with no change
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Old 07-29-2011, 07:43 PM   #4
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evaporator water blowoff


How did you clean it? Just brushed it, vacuumed it, or did you use a chemical to penetrate it.
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Old 07-29-2011, 09:42 PM   #5
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evaporator water blowoff


I cleaned it with 409, Im sure I used plenty, as it was dripping out when I turned it on, so it too was blowing out! The heating and cooling guys were pretty sure thats what it was too, so now they are also stumped..
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Old 07-30-2011, 04:09 AM   #6
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evaporator water blowoff


Remove the coil panel. And use a clear plastic covering in its place. Run the system, and see if its from air blowing under/between the coil and drain pan, or if its blowing off the coil,
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Old 07-30-2011, 08:00 AM   #7
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evaporator water blowoff


it is definately blowing right off the coil, and splashing everywhere, I removed my duct work that is connected to the trunk to see inside...
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Old 07-30-2011, 08:26 AM   #8
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evaporator water blowoff


Has anything else been changed in the last 3 or so months.

What is the air temp difference across the coil.
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Old 08-02-2011, 10:27 PM   #9
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evaporator water blowoff


woohoo! may have found the problem, holding my breathe yet, duct work coming off furnace was not insulated and also had a hole in the back of it...that was 2 AC guys later! thanks for your input
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Old 08-03-2011, 05:19 PM   #10
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evaporator water blowoff


good thing i didnt hold my breathe to long, 12 hours later the water started flowing again.........
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Old 10-07-2011, 12:43 PM   #11
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evaporator water blowoff


Have the coils been coated at all either at the factory before installation or after installation with a product such as Cal-Shield or Microguard?

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