Should AC drain have P-trap?
Every drain line also needs a “P-Trap”. If you look at the picture below, it will show you what an HVAC p-trap looks like. The p-trap creates an airlock which then forces the water down the pipes and drains properly.
What is the purpose of the trap in a condensate drain?
In short, the fundamental purpose of one of these traps is to use a column of condensate in such a way as to prevent air movement into or out of the equipment casing, while still allowing the condensate to drain away.
Where should AC drain line go?
The drain line access pipe is located near your indoor unit, which may be in your attic, crawl space, or garage, typically installed on top of the gas furnace in your home.
How does an AC drain work?
The line is an exit route for moisture collected by the evaporator coil as air passes over it. The coil removes humidity from the air and converts it into water. The water drains into the condensate drain pan, enters the drain line, travels down the drain pipe and is deposited outside near the AC’s outdoor unit.
Where is my primary AC drain?
Every AC system has a condensate drain line (a white PVC pipe) that runs from your indoor air handler to the outside of your home. During normal operation, condensate is safely carried out of your home via the drain line. You’ll usually find the drain line near the outdoor condenser unit.
Where does AC condensate drain go?
In newer homes, HVAC condensate drains are tied most often to bathroom drains. Common drain lines inside your home include in your bathrooms (sinks, shower or tub, toilet), kitchen (sink, water line to your freezer), laundry room, and water heater.
Why does my AC have 2 drains?
The main air unit is equipped with two condensate drain outlets: a primary drain for conveying water outside and a secondary drain as a backup, in case the primary becomes blocked or congested.
Where do I run my AC condensate drain line?
Locate the condensate drain access point outside your home or near the indoor air handler enclosure. You should see a small vertical vent extension as part of the piping. The vent is located above the point where the line exits your air handler. Open the plug on top to access the drain lines.
Where is AC drain pipe located?
How do I find my outside AC drain line?
Most AC drain lines are located outside, near the condenser unit. Push the stiff, thin brush into the end of the drain line. This brush can help you 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.