AC Condensate Wall Drain Adapter (Ball-Joint, 45°)
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A simple wall adapter that redirects air-conditioner condensate down the facade instead of dripping onto anyone below
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Model information
- Source
- Printables
- Category
- Outdoor & Garden
- License
- Creative Commons — Attribution — Share Alike
Our upstairs AC had nowhere to drain its condensate — no central drain line, and we rent, so no permanent plumbing. Meanwhile a neighbor made a hobby of walking along the building and collecting every AC drip on her head. Out of a dozen units she somehow adopted ours as her nemesis — she kept coming to complain even during a period when our AC was broken and not running at all. Rather than keep arguing, I decided to just solve it: this part takes the drain hose and carries the water down the wall in a controlled spot instead of free-dripping into the air.
It's admittedly a workaround. The water runs down the facade, so expect some staining over time (condensate carries a bit of biofilm from the evaporator, so it discolors plaster faster than rain would). If you have somewhere better to route the water, this isn't the elegant solution — but if you have nowhere, it works and it's cheap to print.
How it works: a flat plate mounts flat to the wall. On the front, a barbed spigot with a spherical joint accepts the drain hose — the ball lets you bring the hose in at an angle. Inside, a 45° junction routes the flow into a channel that guides water down the wall. No moving parts, no load on the part, gravity-fed only.