Attic Condensate Drain Line

If the condensate drain line is clogged you will need to use a wet dry vacuum or a special pump to unclog the line.

Attic condensate drain line.

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. When that happens water backs up into the drain pan under your air handler. Most but not all ac units will have an easy to locate access point to the drain line.

Look for an upside down or sideways t shape of pvc pipe with a removable cap. 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. Drill any holes as needed through walls in order to accomodate the drain lines. Plastic with a separate drain installed under.

Find the condensate drain line and drain line access point. The condensate drain line is right beneath the evaporator coils. There is a secondary drain think an emergency notification that the primary drain is clogged. Watch this video to find out more.

Sand down the rough edges of the hole. 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. Horizontal furnace installation or application horizontal furnace installations have the central air system lie on its side. This will kill any algae mold or mildew that has formed in the pipe.

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. But that drain line is pretty small so it doesn t take much for it to become clogged. The furnace is installed in the attic and placed in this position because of space constraints in the attic. An auxiliary drain pan with separate drain.

Check your ac unit in the attic. When everything is working properly condensation runs down the drain line and exits outside your house.