The drain pipe is clogged.
Attic ac unit drain line.
Find your ac drain line.
A clogged drain pipe is the most common cause of standing water in the drain pan.
You can also help prevent clogs from occurring in the future.
This might clear any clogs located near the end of the drain line.
In most cases the ac drain line clog will occur farther down and you ll need to do a little more work.
In new homes city codes require drain lines from the air conditioner s condensate line which are often located in the attic to tie in or be plumbed to the home s plumbing system.
As air passes over the evaporator coils in your air conditioner it cools down and loses some of its humidity.
This is often a challenge for hvac contractors especially when dealing with remodeling projects additions alterations of the existing property.
If you ve ever taken a good look at your air conditioning unit you may have noticed a small dripping line on the outside.
Most ac drain lines are located outside near the condenser unit.
The next step in the attic air conditioner drip pan installation is to find a place to drain the primary discharge line and the secondary drip pan under the coil.
Attach the end of your wet dry vacuum to the end of the ac drain line.
A powerful wet dry vac and proper hose attachment can take care of most jobs.
Push the stiff thin brush into the end of the drain line.
Luckily it is usually easy to clear out a clog.
It can potentially cause extensive and expensive water damage.
This drain plays an important role in removing any condensation that your air conditioner s evaporator coil may produce.
The key to this project is to measure out the path of the drain line properly as this will tell you exactly how much pipe material you need.
This is the condensate drain which plays an important role in removing condensation produced by your air conditioner s evaporator coil.
Typically those 3 4 pipes are plumbed into a bathroom sink s drain that is on average 1 1 4 or 1 1 2 in diameter.
This humidity is left behind in the form of condensation on the coils.