When the drain line is stopped up, water cannot drain from the overflow pan and out through the drainpipe (or outside, depending on your A/C’s setup). Once the switch is tripped your system shuts off. The best way to quickly detect clogging is to install a float switch. The condensation drips down into a pan which has an outlet on the side of the base pan that lets the water run onto the roof. If your condensate pump is broken, it can’t pump out the excess water in the condenser pan, so the pan will fill up and start overflowing (or leaking). Instead, it will leak straight from the drain pan and into your home. If grime, mold, or other debris clog the drain line, it can rupture and leak. A clogged drain line is the most common source of leaks in home air conditioners. 4. Disconnected drain lines aren’t terribly common, but they do happen occasionally. The refrigerant level is too low. If it is leaking inside you most likely have a clogged outlet which can be easily opened with a stiff wire probed in the drain outlet. There are no drain lines for the AC unit on the roof of the RV. Once it is no longer leaking, we’ll recharging your refrigerant. If your drain pan (sometimes called overflow pan) is rusted and cracked, it’ll start to leak water around your indoor unit. Thankfully, the drain pan is directly connected to the condensation drain line so the water can be safely drained away from the system and out of your home by way of a nearby drain. This will stop water from overflowing your pan and causing water leaks in your ceiling, crawl space, or wherever your air handler is. If you have a problem with water in your air conditioner’s drain pan, call Del-Air Heating and Air Conditioning at 844-574-4578 for efficient AC troubleshooting that … There may be a few other reasons why you notice that your air conditioner is leaking water inside your home. The drain pan has cracks or holes. Your drain line might become disconnected over time as the hose loosens. It is connected to the condensate drain pan, which is where the water builds up before being expelled through the line. This line is responsible for allowing condensation to escape from your air conditioner. 2. The most common cause of an air conditioner leaking water is a clogged condensate drain line. How to Prevent Condensate Drain Leaking. Go to a home improvement store and ask for a drain/overflow pan. If your air conditioning system is older, you could have a rusted or damaged drain pan. Leaky drain pans are especially common if your AC is 12+ years old. AC units that are between 12 and 15 years old may need a new pan. If it gets loose enough, it can completely disconnect from your AC, which will cause leakage. Before removing the access panel and inspecting the overflow pan, turn off power to the air conditioner. If your drain pan is old, it might have become brittle due to corrosion. Then, remove the cleaning port cap and look for the blockage. Make sure you know your AC model number. If it’s a small blockage that’s within reach, you can attempt to remove it out yourself by passing a stiff wire through the channels. When everything is in full working order, your AC unit can run smoothly, the drain pan drains excess moisture out of your home, and nothing is negatively affected. Other Reasons for AC Leaks. After you turn off your air conditioner, find a bucket to catch any liquid that may have collected in your drain pan. As you can see from the info above, condensate drain leaks are the result of blockage. It’s possible that your drain line is in perfect working order and it’s a cracked drain pan that’s causing the leak. A float switch will turn your AC system off when your drain pan fills up with water due to a clogged drain line. 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