Locate the drain pipe. Poke that stiff, thin wire brush through this end as well, so you can clean out any easily reachable AC drain line clogs. This is for the safety of the technician as well as to protect the HVAC system from additional condensate-related damage. Never remove a cleanout plug or attempt to unclog a pipe that contains chemical drain cleaner. Rent a drain-cleaning machine from a home hardware store. Don't try this method with a machine that isn't designed for wet work! Remove all … Using bleach to clear clogs in the condensation drain on window-mounted air conditioners can potentially cause damage. Have a look at the AC drain pipe and see if the blockage is visible. Apply penetrating oil to the cleanout plug to loosen it up. Last Updated: March 29, 2019 If you ask, the technician may show you how you can pour a cup of a mild cleansing agent like distilled vinegar to occasionally give the drain a cleaning yourself between routine maintenance calls. Mix 1⁄2 cup (120 mL) of baking soda with 1⁄2 cup (120 mL) of table salt. The dry condensate pan should be thoroughly cleaned to help prevent the growth of mold. Unclogging the AC Drain Line. Step 1: Locate your condensate drain line exit Every central air conditioner has a condensate drain line that runs from the indoor air handler to the outside of the home. Thanks to all authors for creating a page that has been read 11,479 times. One of the first things the technician will do is locate the drain pain and check for standing water. The most common sign of a clogged AC drain line is water dripping from the AC … Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Remove the PVC cap from the top of the vent tee. Every day at wikiHow, we work hard to give you access to instructions and information that will help you live a better life, whether it's keeping you safer, healthier, or improving your well-being. If nothing comes out, try pressing the nozzle of the vacuum into the drain as far as possible. This indicates that the drain pipe has clogged … When your HVAC services professional arrives to check your clogged AC drain line, they will likely turn the system’s power off, even if it is already not running. In Arizona, we usually see clogged AC drain lines during or right after the Monsoon season because there’s a lot of dust and debris being blown around, which can easily get into the drain … The line will be either a … Never allow tension to build in your cable, which often happens when the cutting head hits an obstacle and stops turning. Only use the "Reverse" motor option when the cable will not go forward or to relieve tension when removing the clog. Assess the clog … Luckily, with a drain-cleaning machine rental and some safety precautions, you can unclog the pipes that run underneath your home and return your fixtures to normal operation. Turn off the power to your AC unit before you clean it. Boiling Water. The drain pipe from my AC unit is working fine, but at the floor it terminates into a larger pipe that another insulated tube runs as well. To help prevent the build-up and blockage of the condensate drain line there are a few methods of cleaning the drain line.Polyvinyl chloride, commonly abbreviated as PVC, is used for standard residential drain … Your AC doesn’t just cool your home, it also controls humidity, condensing moisture in the air and shuttling it outdoors through a small pipe called a drain line tube. This article has been viewed 11,479 times. Learn about our energy efficient innovations that can help you save on your heating & cooling energy expenses, while ensuring your home is comfortable. Proceed slowly and carefully to avoid the cable suddenly twisting around your arm. Describe all of the measurements and symptoms of your clog to an employee prior to renting your machine. Your local Carrier HVAC dealer offers the expertise needed to properly diagnose and service your AC system. If you have a situation with a clogged air conditioner drain line and you have exhausted the troubleshooting steps outlined previously, it’s time to schedule an appointment with a certified HVAC technician. A clogged AC drain line symptoms include: If you experience any of the above situations, it’s probably time to contact an HVAC professional who knows how to clear a clogged air conditioner drain line. Figure A: Under-Floor Drain System. By pouring a ¼ cup of vinegar into your AC’s drain line, you will kill any mold, algae, mildew, and other forms of bacteria or … If you can see what is blocking the pipe and can remove it manually, do so by wearing protective gloves. Tips don't get any easier than this. The main objective of an AC drain pipe is to remove the condensation produced due to the use of the AC unit’s evaporator coil. Upper floor fixtures possess pipes that run under your home's flooring or downward to the basement. Here’s what to expect when your HVAC tech arrives.

how to unclog ac drain pipe

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