The port in the air conditioner condensation line in our house didn’t have a cap on it either when we bought it. It’s leaking from where it is connected to the ac unit in my basement. almost…HaHa!) Thanks for your question! This overflow line should go to a drain pan under the unit and then the open drain line to the outside. Hi, Joe, Thanks so much! Is that normal? Take care! Easy peasy, thank, "Step-by-step instructions were helpful. Hi, the ac has to be off. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/39\/Fix-a-Hole-in-a-Wall-Step-1-Version-5.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-1-Version-5.jpg","bigUrl":"\/images\/thumb\/3\/39\/Fix-a-Hole-in-a-Wall-Step-1-Version-5.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-1-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a> License: Creative Commons<\/a>
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/09\/Fix-a-Hole-in-a-Wall-Step-2-Version-5.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-2-Version-5.jpg","bigUrl":"\/images\/thumb\/0\/09\/Fix-a-Hole-in-a-Wall-Step-2-Version-5.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-2-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/0b\/Fix-a-Hole-in-a-Wall-Step-3-Version-5.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-3-Version-5.jpg","bigUrl":"\/images\/thumb\/0\/0b\/Fix-a-Hole-in-a-Wall-Step-3-Version-5.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-3-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/24\/Fix-a-Hole-in-a-Wall-Step-4-Version-5.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-4-Version-5.jpg","bigUrl":"\/images\/thumb\/2\/24\/Fix-a-Hole-in-a-Wall-Step-4-Version-5.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-4-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/40\/Fix-a-Hole-in-a-Wall-Step-5-Version-5.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-5-Version-5.jpg","bigUrl":"\/images\/thumb\/4\/40\/Fix-a-Hole-in-a-Wall-Step-5-Version-5.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-5-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/66\/Fix-a-Hole-in-a-Wall-Step-6-Version-5.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-6-Version-5.jpg","bigUrl":"\/images\/thumb\/6\/66\/Fix-a-Hole-in-a-Wall-Step-6-Version-5.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-6-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/4d\/Fix-a-Hole-in-a-Wall-Step-7-Version-5.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-7-Version-5.jpg","bigUrl":"\/images\/thumb\/4\/4d\/Fix-a-Hole-in-a-Wall-Step-7-Version-5.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-7-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/b4\/Fix-a-Hole-in-a-Wall-Step-8-Version-5.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-8-Version-5.jpg","bigUrl":"\/images\/thumb\/b\/b4\/Fix-a-Hole-in-a-Wall-Step-8-Version-5.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-8-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/fe\/Fix-a-Hole-in-a-Wall-Step-9-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-9-Version-3.jpg","bigUrl":"\/images\/thumb\/f\/fe\/Fix-a-Hole-in-a-Wall-Step-9-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-9-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/cd\/Fix-a-Hole-in-a-Wall-Step-10-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-10-Version-3.jpg","bigUrl":"\/images\/thumb\/c\/cd\/Fix-a-Hole-in-a-Wall-Step-10-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-10-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/a6\/Fix-a-Hole-in-a-Wall-Step-11-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-11-Version-3.jpg","bigUrl":"\/images\/thumb\/a\/a6\/Fix-a-Hole-in-a-Wall-Step-11-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-11-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c4\/Fix-a-Hole-in-a-Wall-Step-12-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-12-Version-3.jpg","bigUrl":"\/images\/thumb\/c\/c4\/Fix-a-Hole-in-a-Wall-Step-12-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-12-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/cf\/Fix-a-Hole-in-a-Wall-Step-13-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-13-Version-3.jpg","bigUrl":"\/images\/thumb\/c\/cf\/Fix-a-Hole-in-a-Wall-Step-13-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-13-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/be\/Fix-a-Hole-in-a-Wall-Step-14-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-14-Version-3.jpg","bigUrl":"\/images\/thumb\/b\/be\/Fix-a-Hole-in-a-Wall-Step-14-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-14-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/ac\/Fix-a-Hole-in-a-Wall-Step-15-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-15-Version-3.jpg","bigUrl":"\/images\/thumb\/a\/ac\/Fix-a-Hole-in-a-Wall-Step-15-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-15-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/80\/Fix-a-Hole-in-a-Wall-Step-16-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-16-Version-3.jpg","bigUrl":"\/images\/thumb\/8\/80\/Fix-a-Hole-in-a-Wall-Step-16-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-16-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/4a\/Fix-a-Hole-in-a-Wall-Step-17-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-17-Version-3.jpg","bigUrl":"\/images\/thumb\/4\/4a\/Fix-a-Hole-in-a-Wall-Step-17-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-17-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/1f\/Fix-a-Hole-in-a-Wall-Step-18-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-18-Version-3.jpg","bigUrl":"\/images\/thumb\/1\/1f\/Fix-a-Hole-in-a-Wall-Step-18-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-18-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/2a\/Fix-a-Hole-in-a-Wall-Step-19-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-19-Version-3.jpg","bigUrl":"\/images\/thumb\/2\/2a\/Fix-a-Hole-in-a-Wall-Step-19-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-19-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, Fixing a Large Hole in a Lath and Plaster Wall, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/b6\/Fix-a-Hole-in-a-Wall-Step-20-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-20-Version-3.jpg","bigUrl":"\/images\/thumb\/b\/b6\/Fix-a-Hole-in-a-Wall-Step-20-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-20-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/ce\/Fix-a-Hole-in-a-Wall-Step-21-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-21-Version-3.jpg","bigUrl":"\/images\/thumb\/c\/ce\/Fix-a-Hole-in-a-Wall-Step-21-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-21-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/26\/Fix-a-Hole-in-a-Wall-Step-22-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-22-Version-3.jpg","bigUrl":"\/images\/thumb\/2\/26\/Fix-a-Hole-in-a-Wall-Step-22-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-22-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/b3\/Fix-a-Hole-in-a-Wall-Step-23-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-23-Version-3.jpg","bigUrl":"\/images\/thumb\/b\/b3\/Fix-a-Hole-in-a-Wall-Step-23-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-23-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/d\/de\/Fix-a-Hole-in-a-Wall-Step-24-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-24-Version-3.jpg","bigUrl":"\/images\/thumb\/d\/de\/Fix-a-Hole-in-a-Wall-Step-24-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-24-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/18\/Fix-a-Hole-in-a-Wall-Step-25-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-25-Version-3.jpg","bigUrl":"\/images\/thumb\/1\/18\/Fix-a-Hole-in-a-Wall-Step-25-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-25-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/9c\/Fix-a-Hole-in-a-Wall-Step-26-Version-3.jpg\/v4-460px-Fix-a-Hole-in-a-Wall-Step-26-Version-3.jpg","bigUrl":"\/images\/thumb\/9\/9c\/Fix-a-Hole-in-a-Wall-Step-26-Version-3.jpg\/aid26744-v4-728px-Fix-a-Hole-in-a-Wall-Step-26-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"