What is a Drain Line Back-up?
Your central systems drain line needs serviced more than most people realize. This drain line does not have the shower or sink type of water pressure assisting it to drain properly. A backed up drain line, without a safety shut off switch, can cause severe damage to your home. Wood floors tend to buckle and warp. Carpets start growing mold, dry wall goes bad, and if the unit is in the attic, it gets much worse. There are several things you can do yourself, as the home owner. First, if you have a shop vac, you can draw the drain line contents to the vacuum by getting to the outlet end of the drain line, usually next to the condenser unit (outside unit), where the Freon lines are, wrap a rag around the hose after placing it over the pipe, and leave it there until you see the vacuum hose stop jumping. It is not recommended to flush out the drain line with water pressure, as it could make the situation worse.
It is recommended to have a drain line safety switch installed that will shut down the unit if the drain line backs up, prior to overflowing into the home. The idea of pouring bleach, ( 1 cup mixed 50/50 with water) is a good idea, and is usually best about a month after the cooling season starts, and a month before the cooling season ends.
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