I will just interject here if you do not mind to add that you should NOT use bleach to keep the condensate pipe clear.
Pour a half gallon of hot, (not boiling) water down the pipe 3-4 times a year to clear out any obstructions. You could also pour a 1/2 cup of vinegar if you like.
Bleach can in extreme cases back up and damage your A-coil, etc.
Just a good flushing should be all you need.
Respectfully, Frank
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Florida licensed Home Inspector #HI688. (352) 250-7818
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