Attic Condensate Drain Line

Find the condensate drain line and drain line access point.

Attic condensate drain line.

This will kill any algae mold or mildew that has formed in the pipe. Just pour a cup of bleach in the drain line s access opening near the indoor air conditioning unit. Drill any holes as needed through walls in order to accomodate the drain lines. When that happens water backs up into the drain pan under your air handler.

When everything is working properly condensation runs down the drain line and exits outside your house. The primary ac condensate drain is normally drained to either the main house drain or to the outside via a pvc pipe about the same size as the on draining into the garage. Most but not all ac units will have an easy to locate access point to the drain line. The furnace is installed in the attic and placed in this position because of space constraints in the attic.

Look for an upside down or sideways t shape of pvc pipe with a removable cap. Look for white pvc pipe around 3 4 inch 1 9 cm in diameter coming out of your ac system s indoor unit. An auxiliary drain pan with separate drain. To drill a hole through a brick wall drill several holes around the perimeter of the drain exit and then hammer out the hole with a chisel.

Holes in a wooden house can be started with a drill and then finished with a jigsaw. Plastic with a separate drain installed under. The condensate drain line is right beneath the evaporator coils. But that drain line is pretty small so it doesn t take much for it to become clogged.

Sand down the rough edges of the hole. There is a secondary drain think an emergency notification that the primary drain is clogged. An auxiliary condensate drain pan at least 1 5 deep and at least 3 larger than the length width of the appliance beneath which it is placed using corrosion resistant material of adequate thickness 0 7mm galvanized metal or 1 6mm non metallic e g. If the condensate drain line is clogged you will need to use a wet dry vacuum or a special pump to unclog the line.

Watch this video to find out more. Sediment algae mold and insects can all clog it up.