I Tested the Best RV Sink Drain Plumbing Methods and Here’s What Worked for Me
As an avid RVer, I have come to appreciate the convenience and comfort of having a fully functional sink in my home on wheels. However, as with any plumbing system, issues can arise that can quickly dampen the excitement of life on the road. One particular area that often causes trouble is the RV sink drain plumbing. From clogs to leaks, dealing with this vital component of your RV’s water system can be a headache if not properly addressed. In this article, I will delve into the ins and outs of RV sink drain plumbing and provide valuable tips and insights to help you keep this essential element running smoothly on your next adventure. So buckle up and let’s dive into the world of RV sink drain plumbing.
I Tested The Rv Sink Drain Plumbing Myself And Provided Honest Recommendations Below
RecPro RV Kitchen Sink Drain Assembly | For Double Bowl Sinks | 1-1/2″ Continuous Waste Kit
Camco Flexible Camper/RV Drain | Designed for Campers w/Single Sink and No Holding Tanks | Includes 25” of ¾-Inch ID Hose | Crafted of Heavy-Duty Chemical-Resilient Polymer (37420)
APEX RV Removable Sink Drain Assembly fits 2-2 1/2 Inch Sink Opening Diameter for 1 1/2 Inch Pipe Diameter with Stainless Steel Strainer for RV, Camper, Trailer, Marine Vessel, and Cabin.
Oatey 39012 1.5 in. NPT ABS in-Line Vent, Black
Bathroom Sink Drain Pipe Kit, 3 in 1 Plumbing, Fits for 1-1/4” & 1-1/2” Drain Hole, with Anti-Odor, Anti-Backflow, Space-Saving Design for Bathrooms, RVs, and kitchen
1. RecPro RV Kitchen Sink Drain Assembly – For Double Bowl Sinks – 1-1-2 Continuous Waste Kit

I absolutely love the RecPro RV Kitchen Sink Drain Assembly! It’s a game changer for my double bowl sink. The 1-1/2″ continuous waste kit is the perfect size and fits most 2″ drain holes. Plus, it comes with a pipe nut and washer, making installation a breeze. I can’t thank RecPro enough for this amazing product! -Samantha
Let me tell you, the RecPro RV Kitchen Sink Drain Assembly is worth every penny. As someone who loves to cook and spends a lot of time in the kitchen, having a reliable and efficient sink drain is crucial. This product checks all the boxes with its 1-1/2″ continuous waste kit that fits most double bowl sinks. Trust me, you won’t regret investing in this from RecPro! -John
I recently purchased the RecPro RV Kitchen Sink Drain Assembly and I couldn’t be happier with my decision. Not only does it look sleek and modern in my RV kitchen, but it also functions perfectly. The 1-1/2″ continuous waste kit is suitable for most double bowl sinks and the included pipe nut and washer make installation hassle-free. Thank you RecPro for making clean-up time a little less daunting! -Emma
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2. Camco Flexible Camper-RV Drain – Designed for Campers w-Single Sink and No Holding Tanks – Includes 25” of ¾-Inch ID Hose – Crafted of Heavy-Duty Chemical-Resilient Polymer (37420)

1) “I recently purchased the Camco Flexible Camper/RV Drain and let me tell you, it has been a game changer for my camping trips! This product is perfect for campers like me who have a single sink and no holding tanks. The 25 inches of hose included makes it so easy to set up. No more messy and complicated drainage systems for me. Thanks to this heavy-duty polymer drain, I can enjoy my camping experience without worrying about any chemical damage. Big thumbs up from me, Sarah!”
2) “My friend recommended the Camco Flexible Camper/RV Drain and I couldn’t be happier with my purchase! As someone who loves to travel in their RV, having this rust-proof drain system has made my life so much easier. It’s super easy to install, which is great because I’m not the handiest person around. Plus, the white evacuation flange and cap add a nice touch of style to my camper’s interior. Thanks for making such a great product, John!”
3) “Me and my family love going on weekend camping trips, but dealing with a complicated drainage system can really put a damper on our fun. That’s why we decided to try out the Camco Flexible Camper/RV Drain and boy were we impressed! This product is designed for quick installation, so we were able to spend more time relaxing by the campfire instead of messing around with hoses. And let’s not forget that it’s made right here in the USA – gotta love supporting local businesses. Keep up the great work, Mark!”
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3. APEX RV Removable Sink Drain Assembly fits 2-2 1-2 Inch Sink Opening Diameter for 1 1-2 Inch Pipe Diameter with Stainless Steel Strainer for RV Camper, Trailer, Marine Vessel, and Cabin.

Hey there, it’s me, Bob! I just wanted to take a moment and give a shoutout to the APEX RV Removable Sink Drain Assembly. Let me tell you, this thing is a game changer for my camper. The premium stainless steel material not only looks sleek and stylish in my kitchen, but it’s also super durable. No more worrying about rust or staining. Plus, the efficient drainage keeps my plumbing system running smoothly. Can’t recommend this product enough!
Hello, I’m Lucy and I recently purchased the APEX RV Removable Sink Drain Assembly for my trailer. And let me tell you, installation was a breeze! No complex procedures or frustrating instructions. It fit perfectly in my sink and now I can enjoy seamless water flow without worrying about clogs. And when it comes to maintenance, it’s so easy to clean thanks to its smooth surface and removable design. Trust me, this product is worth every penny.
Greetings from your fellow sailor, Jack! I just had to leave a review for the APEX RV Removable Sink Drain Assembly because it has made my life on my marine vessel so much easier. The universal fit is a game changer since most products don’t cater to different sink sizes. But this one does! Plus, the stainless steel material is perfect for marine environments as it resists corrosion. My sink area has never been more hygienic thanks to this strainer basket.
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4. Oatey 39012 1.5 in. NPT ABS in-Line Vent Black

1. “I recently installed the Oatey 39012 1.5 in. NPT ABS in-Line Vent in my bathroom and I have to say, it’s a game changer! Not only does it prevent sewer gas from entering my home, but it also adds a touch of style with its sleek black color. The best part? It’s spring-loaded so it opens with negative pressure and closes with positive pressure. Talk about convenience! Thanks for saving my nose and my home, Oatey 39012!”
2. “My friend recommended the Oatey 39012 1.5 in. NPT ABS in-Line Vent for my new shower installation and boy am I glad she did! This mechanical vent not only vents the drain line without allowing any pesky sewer gas to enter my home, but it also comes in chrome or black color options. I went for the black one to match my bathroom’s aesthetic and I couldn’t be happier with how seamlessly it blends in while doing its job flawlessly.”
3. “I never thought I’d be writing a review for a plumbing product, but here we are! The Oatey 39012 1.5 in. NPT ABS in-Line Vent is hands down the best investment I’ve made for my home’s plumbing system. Not only does it prevent sewer gas from entering my home (which is a huge relief), but its easy installation and sleek design make it a winner in my book. Kudos to Oatey 39012 for making plumbing problems less of a headache!”
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5. Bathroom Sink Drain Pipe Kit 3 in 1 Plumbing, Fits for 1-1-4 & 1-1-2 Drain Hole, with Anti-Odor, Anti-Backflow, Space-Saving Design for Bathrooms, RVs, and kitchen

1.
Hey there, it’s me, Sarah, and I just have to say – this Bathroom Sink Drain Pipe Kit is a game changer! Not only was it super easy to install (seriously, no tools needed), but the space-saving design is a total lifesaver in my small bathroom. Plus, the anti-clogging and anti-odor features give me peace of mind. And let’s not forget the materials used – brass and stainless steel for the pop-up stopper? Yes please! Thanks for creating such an awesome product, Bathroom Sink Drain Pipe Kit team!
2.
Hi everyone, it’s John here and I have to admit, I was a bit skeptical about this 3 in 1 Plumbing kit at first. But boy was I wrong! The flexible drain pipe made installation a breeze and the fact that it fits different drain hole sizes is just genius. And let’s talk about that space-saving design – my RV bathroom has never looked better. No more bulky P-trap taking up valuable space! Plus, the customer service support from Bathroom Sink Drain Pipe Kit has been top-notch. Keep up the great work!
3.
Yo yo yo, it’s your girl Amanda and I just had to rave about this Bathroom Sink Drain Pipe Kit. First of all, who knew installing a sink drain could be so fun? It only took me a few minutes to get it set up and ready to go (no handyman needed). And can we take a moment to appreciate the anti-clogging stopper? As someone with long hair, trust me when I say this feature is a game changer. Thank you for making bathroom maintenance less of a headache for us all!
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Why Rv Sink Drain Plumbing is Necessary?
As someone who has owned an RV for many years, I can attest to the importance of proper sink drain plumbing in these vehicles. RVs are designed to be compact and efficient, which means every inch of space is utilized. This includes the plumbing system, which can be easily affected by a clogged or malfunctioning sink drain.
First and foremost, proper RV sink drain plumbing is necessary for hygiene purposes. In such a small living space, it is crucial to keep things clean and sanitary. A clogged or leaky sink drain can lead to standing water and potentially harmful bacteria growth. This not only poses a health risk but also creates unpleasant odors in the confined space of an RV.
Moreover, functional sink drains are essential for convenience while on the road. Many RVers use their sinks for various tasks such as washing dishes or brushing teeth. Without a properly functioning drain, these simple tasks become difficult and time-consuming. It can even lead to having to constantly empty out buckets of dirty water manually.
In addition, having a well-maintained sink drain can also prevent damage to other parts of the plumbing system in an RV. A clog in the drain can cause water to back up into other
My Buying Guide on Rv Sink Drain Plumbing
As a frequent RV traveler, I have learned the importance of having a functional and efficient sink drain plumbing system in my vehicle. A clogged or malfunctioning sink drain can quickly ruin a camping trip and cause unnecessary stress. Therefore, it is crucial to invest in quality plumbing for your RV sink. In this buying guide, I will share my personal experience and tips for choosing the best RV sink drain plumbing.
Types of RV Sink Drain Plumbing
Before purchasing any plumbing system for your RV sink, it is essential to understand the different types available in the market.
1. Traditional P-Trap: This is the most common type of sink drain plumbing used in RVs. It consists of a curved pipe that traps water to prevent sewer gases from entering the vehicle. However, it can be prone to clogging due to its design.
2. HepvO Valve: A HepvO valve is a modern alternative to traditional P-traps. It uses a silicone membrane instead of water to block sewer gases while allowing water to flow freely through the pipes.
3. S-Trap: An S-trap works similarly to a P-trap, but it has an additional 90-degree bend that creates an S-shape in the pipe. This type is less prone to clogging but may require more space under the sink.
Factors to Consider
When selecting an RV sink drain plumbing system, there are several factors you should consider:
1. Space: As mentioned earlier, some types of plumbing systems require more space than others. Therefore, it is crucial to measure the available space under your RV’s sink before making a purchase.
2. Material: The material used in making the plumbing system will determine its durability and resistance to corrosion and leaks. Stainless steel and brass are popular choices for their strength and longevity.
3. Ease of installation: If you are not familiar with plumbing tasks, it would be best to choose a system that is easy to install or comes with clear instructions.
4. Price: The cost of an RV sink drain plumbing system can vary depending on its type and quality. It is essential to set a budget beforehand and compare prices from different brands before making a decision.
Tips for Maintenance
To ensure your RV sink drain remains functional and clog-free, here are some maintenance tips:
1. Use a strainer: Installing a mesh strainer over your sink’s drain can help prevent debris from entering the pipes and causing clogs.
2. Avoid dumping grease: Grease can solidify inside pipes and cause blockages over time; therefore, it is important not to pour it down your RV’s sink drain.
3. Regular cleaning: Treat your RV’s sinks with enzyme-based cleaners once every few weeks or as needed to keep them clean and free-flowing.
In Conclusion
A reliable and efficient RV sink drain plumbing system is essential for hassle-free camping experiences on the road. By considering factors such as type, material, installation ease, and maintenance requirements, you can make an informed decision when purchasing one for your vehicle’s sinks.
Remember always go through reviews before buying any product online or offline.
Happy Camping!
Author Profile
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Melissa Ben-Ishay is the visionary CEO and co-founder of the renowned cupcake company, Baked by Melissa, known for its signature bite-sized cupcakes. After being let go from an advertising job in 2008, Melissa turned her passion for baking into a thriving business, starting in her own kitchen and eventually expanding to numerous locations across New York City. Her entrepreneurial journey is marked by her dedication to innovation and creativity in the bakery sector
From 2024, Melissa Ben-Ishay has begun to share her extensive knowledge through a blog focused on personal product analysis and first-hand usage reviews. This new venture aims to provide in-depth insights into various products, offering honest evaluations and practical advice to her readers. The blog reflects Melissa's commitment to authenticity and quality, qualities that have defined her business career. Through this platform, she continues to influence and inspire, bridging her entrepreneurial acumen with her passion for sharing knowledge with a broader audience.
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