Thursday, June 1, 2023


Reminder: Check that fridge drip tray before it floods into your RV

The below question was posted in one of my many Facebook groups. This one was in Grand Design RV – In The RV Shop, where we have more than 10,000 members. Members post problems and the group members and myself try and help each other out with problems, concerns, products, and upgrades.

One group member, Alan, asked this question:

“Any ideas where to start the investigation? 2022 Grand Design RV Solitude 380FL. Last night we noticed water collecting on the right side of the fridge on the flooring. The inside of the fridge is dry. There are no water lines running under the slide, nor is there water on the underbody of the fridge slide.

Pooling water on flooring.

“We had been running the A/C. I was pretty aggressively washing dishes at the water bay last night. I pulled everything out of the front bay and inspected for water wicking from the under walls but nothing—it was dry. It eventually went away inside, as I checked before bed time and nothing.

“This morning, we found more water pooling in front of the fridge. No A/C, but I am noticing runoff outside on the gutters and roof. I will inspect the roof, back of the fridge, pull the walls down in the front bay at the Nautilus system. Wondering if the seals around the slide are allowing moisture to wick inside? Didn’t notice anything like this during the rainy season just a few months ago though.”

What’s the problem and where’s the water coming from?

Working with Alan, the RV owner, and others online, we traced the problem back to the rear refrigerator drip tray. It was being overfilled beyond the drip tray and leaking into the back side of the rear refrigerator access and leaking into the inside of the RV on the floor.

Area that water was coming through. You can see stain on wood paneling.

Fridge drip tray findings

During the inspection, the owner was advised to check the refrigerator’s back side, and he confirmed the fridge drip tray was full, as seen in this picture.

The water was leaking and coming underneath the refrigerator, getting into the inside of the RV and running onto the floor. Lucky for the owners this presented itself, because in the past, we have seen a number of different refrigerator leaks that have caused damage to slide out floors, and cabinet supports, which over time caused major damage and additional issues.

My recommendations

To help people in high-humidity areas, if you own a Norcold refrigerator and are having this same issue, here is one of my recommendations: You can either extend the drain line to drain outside the vent door, or you can drill a small hole and extend the drain hose through the floor and have it drain outside.

Norcold Drain Hose.

Here are some example pictures.

a fridge drip tray
Original designed to fill drip tray.
The hose was extended and plumbed down through the floor to drain underneath the slide out.
a drip line added to a fridge drip tray
The line was secured in place and secured to the lower aluminum sheeting brace to allow draining on the ground.

Here is a link for the drain hose and union:

More about groups

These Facebook groups were created to help educate owners about parts, problems, repairs, fixes, and upgrades on RV units. We will be sharing videos that include WHAT’S IN THE SHOP? and SHOP TALK episodes with information on accessories and products that we use and install on the units from the shop.

We try and help as time allows to answer questions and problems. We encourage others to share their experience so we can build a resource page to help everyone.

Please follow us on YouTube, see our published articles on and other social media pages.

Please feel free to share your stories, problems, and upgrades with us so we can build a resource page to help others.

Thank you,


Dustin Simpson
Dustin Simpson
I have worn many hats in the RV industry through the years. From an RV Technician, Warranty Administrator, Parts Administrator, Parts Manager, Service Manager and now Business Owner. I have even been deemed an RV Expert by the California court system, working on behalf of the customers, dealers, and manufacturers. My repair facility has been servicing customers at the same location since 2003. What sets us apart from the dealerships is we are here to fix and maintain what you have, and not sell you a new one. Whether you own a million-dollar unit or an entry level, my message to you will be the same, it needs to be maintained.


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Gary W.
16 days ago

How do you keep bugs from clogging up the extended hose end?

Becca Ray
16 days ago
Reply to  Gary W.

There’s a little (black) semi-plug that comes with the replacement hose which has small teeny-tiny opening(s) which allows water to drip out and prevents bugs from crawling in.

Bill Byerly
16 days ago

Another great solution, thanks Dustin

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