There are no drain lines for the AC unit on the roof of the RV. How to Prevent Condensate Drain Leaking. There may be a few other reasons why you notice that your air conditioner is leaking water inside your home. The refrigerant level is too low. If grime, mold, or other debris clog the drain line, it can rupture and leak. Go to a home improvement store and ask for a drain/overflow pan. Your drain line might become disconnected over time as the hose loosens. Instead, it will leak straight from the drain pan and into your home. Other Reasons for AC Leaks. 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. Before removing the access panel and inspecting the overflow pan, turn off power to the air conditioner. This line is responsible for allowing condensation to escape from your air conditioner. Use a flashlight to inspect the drain pan… It’s possible that your drain line is in perfect working order and it’s a cracked drain pan that’s causing the leak. 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). Then, remove the cleaning port cap and look for the blockage. Make sure you know your AC model number. This moisture drips down your AC's evaporator coil, collects in a drain pan, and leaves your home through the condensate drain line. 2. Disconnected drain lines aren’t terribly common, but they do happen occasionally. After you turn off your air conditioner, find a bucket to catch any liquid that may have collected in your drain pan. The condensate pump is broken. Naturally, if that drain line is not connected to your air conditioning unit, it won’t flow outside. 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). It’s a device in the condensate drain and drain pan that senses when there’s a backup and automatically shuts down the AC system. The best way to quickly detect clogging is to install a float switch. 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. Once the switch is tripped your system shuts off. A float switch will turn your AC system off when your drain pan fills up with water due to a clogged drain line. The most common cause of an air conditioner leaking water is a clogged condensate drain line. 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. Leaky drain pans are especially common if your AC is 12+ years old. 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 … AC units that are between 12 and 15 years old may need a new pan. If your drain pan (sometimes called overflow pan) is rusted and cracked, it’ll start to leak water around your indoor unit. A clogged drain line is the most common source of leaks in home air conditioners. 4. The drain pan has cracks or holes. Once it is no longer leaking, we’ll recharging your refrigerant. It is connected to the condensate drain pan, which is where the water builds up before being expelled through the line. If it gets loose enough, it can completely disconnect from your AC, which will cause leakage. 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. 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