Hey everyone! We just moved into a condo and during the inspection, the inspector mentioned getting an overflow pan for our laundry washer to avoid water damage in case of an overflow. I have a couple of questions about the setup. Our washer seems to drain into a pipe that goes into the wall, close to the hookups where I think the gas line is located. Is that how washers typically drain? Also, there's a small grate under the washer - is that where the overflow pan would lead to? I'm pretty handy but have shied away from water-related DIYs in our condo, so I'm likely going to hire someone to install the pan. Just want to double-check everything before I make any calls. Thanks for your help!
9 Answers
You should really think about getting a battery-operated leak alarm for under your washer and sink. I’ve got them everywhere in my house and they work well to alert you to any issues.
You're overthinking this a bit! The overflow pan just sits under your washer, and it's there to catch any leaks before they become a bigger problem. You don’t need to hire a pro to install it if you can lift the washer.
Yes, that’s a standard setup called a standpipe. It’s good you're thinking about the overflow pan. I’ve never used one myself and not sure how effective they are against large amounts of water - something you might want to look into more!
Definitely consider upgrading your water supply lines as well. They should ideally be changed every five years to avoid leaks. Also, you could look into a device that regulates water flow to your washer. That could help prevent issues too.
I haven't heard of that device before, I'm going to check it out!
We have a similar setup in our place without an overflow pan, and yes, if the drain pipe breaks, we’d have a mess. So, I understand your concern. The pan might be a good idea for some peace of mind, though. And yes, the grate likely drains into the sewer line.
All washers should have a drain pipe in the wall. Yours likely has a flexible hose that connects to it. That’s the normal way these things work!
If there’s a drain underneath, you actually wouldn’t need a pan since it might cover the drain. You might want to check with your HOA about the setup. The pan should ideally align with the drain to channel any overflow down there.
Yeah, I think the pan has a built-in drain that directs water to the actual drain below, which should keep it from flooding your floor.
Totally agree, that setup makes sense in preventing water from escaping to your floor!
It sounds like your setup is pretty standard. The pipe should lead to a proper drain, and if there’s a grate under your washer, it’s likely meant to catch overflow. Maybe the inspector wasn’t clear on how your condo was fitted! Definitely check that out and make sure it’s all set up correctly.
Most washers will drain into a pipe buried in the wall, often with a P-trap to avoid odors. Sounds like that's what you’ve got!

I’ve never looked into those alarms; sounds like a great idea! Some even connect to WiFi to notify you remotely, right?