Attic Ac Unit Drain Line

This drain plays an important role in removing any condensation that your air conditioner s evaporator coil may produce.

Attic ac unit drain line. Most but not all ac units will have an easy to locate access point to the drain line. 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 might clear any clogs located near the end of the drain line. 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.

Look for white pvc pipe around 3 4 inch 1 9 cm in diameter coming out of your ac system s indoor unit. Your air conditioner drain line also known as the condensate drain is a small dripping line on the outside of your house where your air conditioning unit resides. Find the condensate drain line and drain line access point. In most cases the ac drain line clog will occur farther down and you ll need to do a little more work.

Push the stiff thin brush into the end of the drain line. Most ac drain lines are located outside near the condenser unit. Find your ac drain line. 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.

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. Look for an upside down or sideways t shape of pvc pipe with a removable cap.