How To Clean Ac Condensate Drain Line. If you have a shop vacuum, use it to pull the clog through the drain opening, which is located outside your house near the foundation. Your air conditioner’s drain line is a small but important pvc pipe responsible for removing condensation.
| ac drain line clogged symptoms. Your air conditioner’s drain line is a small but important pvc pipe responsible for removing condensation. Locate where the drain line exits your house, and make sure it isn’t clogged by an insect nest or something obvious.
Then, use soapy water to cleanse the drain pan.
At the exterior exit of the line, using your hand create a seal around the line and the vacuum hose. It should have one somewhere. Start the process by switching off the ac mains supply. 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.