Is this happing because the main drains vent cap is closed.
Ac drain line cap.
Just pour a cup of bleach in the drain line s access opening near the indoor air conditioning unit.
It seems that all of the large ac companies have.
Identify the point of access on the drain line.
This will kill any algae mold or mildew that has formed in the pipe.
Locate the access hole for the drain line and remove the pvc cap.
Air conditioners whether they are window or central units dehumidify the air as a byproduct of their cooling method.
The condensation is draining out of the over flow line into the pan.
Got a new system furnace a c attic ductwork installed a couple years ago.
Push the stiff thin brush into the end of the drain line.
Take off the cap at the top of the pvc pipe that goes straight up in the air to open the access hole.
Look by the ac unit s air handler inside your home for a t shaped pvc pipe running out of it.
When i remove the cap the unit drains properly.
If the condensate drain line is clogged you will need to use a wet dry vacuum or a special pump to unclog the line.
You might require a bucket at this point should your drain line be full.
Remove the cap at the top of the drain and inspect for blockage.
This might clear any clogs located near the end of the drain line.
Find your ac drain line.
This will most likely be a t shaped vent with a cap covering the top of the drain.
Identify the access point on the drain line.
To prevent sewer gases from coming back up the line this doesnt drain to a sewer it drains to the backyard.
The fan is blowing the condensation out of the path of least restiance.
During a service call last week the technician wasn t happy with how quickly the condensation was draining so he cut the cap off the a c condensate drain access plug the white pvc pipe at the top of this image i suppose to eliminate any vacuum effect that would prevent slow draining.
I was trying to eliminate as many air leaks from the evap case as possible so i figured a cap on the one side where its blowing the air right out would help solve that issue.
Depending on your ac system it might be hidden by a removable access panel.
In most cases the ac drain line clog will occur farther down and you ll need to do a little more work.
Your drain line is a pvc pipe located near your outdoor unit and is attached to the wall of your house.
This is a pvc pipe that is usually situated outside near your condenser unit.
Most drain lines will have a t shaped vent tee with a cover or cap.
Bleach for cleaning an ac drain.
Locate the drain line.
Locate your condensate drain line.
As they dehumidify they remove.
I ran across a furnace with a ac unit.
It should be open correct.
Your ac drain line is a white t shaped pvc tube that s generally located inside a utility closet or your garage but in some cases it will be in the attic.