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My air handler in my attic won't drain water(because the hole is 1cm above the pan) until the water reaches that hole. Why is this setup this way. From what I have read, NO water should be in the bottom there. In fact the blower fan pulls that water and their is rust on the bottom of the coil.

thx

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    Is there another hole that's plugged? Most systems have a primary drain, which is low and drains the water most of the time. They also have a secondary drain, which is higher up and is only used if the primary is clogged. Are both drains plumbed, or only one? – Tester101 Apr 15 '16 at 16:37
  • What's the make and model of the air handler? – Tester101 Apr 15 '16 at 16:37
  • Really about secondary? Ya there is a line of hole on the flat bottom that was not used. I have had 7 AC companies come out over the last 8 years... I have asked them about that and they said not an issue.. I have a mild musty smell in the house... my wife can't smell it, but I can and am always congested... – jdl Apr 15 '16 at 16:50
  • What's the make and model? – Tester101 Apr 15 '16 at 17:29
  • Just for fun, Google "standing water legionella". – Daniel Griscom Apr 16 '16 at 16:18

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