Attic Condensate Drain Line

Sand down the rough edges of the hole.

Attic condensate drain line.

The furnace is installed in the attic and placed in this position because of space constraints in the attic. Plastic with a separate drain installed under. There is a secondary drain think an emergency notification that the primary drain is clogged. Sediment algae mold and insects can all clog it up.

If the condensate drain line is clogged you will need to use a wet dry vacuum or a special pump to unclog the line. Horizontal furnace installation or application horizontal furnace installations have the central air system lie on its side. 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. Watch this video to find out more.

Look for an upside down or sideways t shape of pvc pipe with a removable cap. This will kill any algae mold or mildew that has formed in the pipe. 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.

Check your ac unit in the attic. 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. Look for white pvc pipe around 3 4 inch 1 9 cm in diameter coming out of your ac system s indoor unit. Just pour a cup of bleach in the drain line s access opening near the indoor air conditioning unit.

But that drain line is pretty small so it doesn t take much for it to become clogged. Holes in a wooden house can be started with a drill and then finished with a jigsaw. When that happens water backs up into the drain pan under your air handler. Drill any holes as needed through walls in order to accomodate the drain lines.

Condensate switches imc 307 2 3 states that all hvac equipment that produces condensate must have either a secondary drain line or a condensate overflow switch a secondary drain pan with a secondary drain line or condensate switch or some combination of these installations should be used to prevent overflow if the primary drain line blocks. An auxiliary drain pan with separate drain.