Turn off the power for the air conditioner unit where you will be installing the drain line.
Attic condensate drain line.
When everything is working properly condensation runs down the drain line and exits outside your house.
Sediment algae mold and insects can all clog it up.
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Look for an upside down or sideways t shape of pvc pipe with a removable cap.
This is the condensate drain which plays an important role in removing condensation produced by your air conditioner s evaporator coil.
If there is standing water in the condensate pan your drain line is probably clogged.
It may be covered by a removable access panel.
When that happens water backs up into the drain pan under your air handler.
However many homeowners don t realize the problem is usually avoidable with regular care and diy ac maintenance.
A clogged condensate drain line is one of the most common reasons homeowners need to call in for professional repair for their ac system.
Look for white pvc pipe around 3 4 inch 1 9 cm in diameter coming out of your ac system s indoor unit.
Step 2 measure out the path that your drain lines will take from the drain pan to the drain field area.
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.
It may be located directly under the indoor air handler in your attic or utility closet.
A separate or secondary condensate overflow drain line connected to the primary or oem equipment s drain pan at a higher level than the main drain and discharged as in 1.
Watch this video to learn how to prevent this.
But that drain line is pretty small so it doesn t take much for it to become clogged.
If your condensate drain line is clogged you can likely remove the clog yourself.
The drain field shouldn t be in a public area such as a stairwell or driveway.
Most but not all ac units will have an easy to locate access point to the drain line.
Find the condensate pan.