Flush the vinegar with more boiling water and then repeat the entire process several times until the drain is sufficiently clean and odor free.
How to clean a c overflow drain in floor.
Clean out your ac drain line with bleach each spring to keep it clear.
Just pour a cup of bleach in the drain line s access opening near the indoor air conditioning unit.
This will kill any algae mold or mildew that has formed in the pipe.
Do this every 6 months if you live in a particularly hot and humid region and use your ac more.
Here s a step by step guide on how to clean your drain line with vinegar and keep everything operating at peak performance.
You can prevent a clogged ac drain by performing routine cleaning.
Baking soda and vinegar react causing a bubbling clean action inside your drain.
Wait until the bubbling has stopped.
Pour 1 cup of each down your drain.
Let that sit for 10 minutes.
By pouring a cup of vinegar into your ac s drain line you will kill any mold algae mildew and other forms of bacteria or fungi preventing it from forming a buildup and causing a clog.
When you re done clean the grated top and replace.
Pouring bleach into your ac unit s drain line in early springtime before you start using it for the summer will kill and prevent buildup of mold and mildew.
Repeat this monthly for the best results.
If the condensate drain line is clogged you will need to use a wet dry vacuum or a special pump to unclog the line.