How I Fixed My RV Toilet Woes: An Expert’s Take on Using an RV Toilet Flange Repair Kit

If you’ve ever spent time on the road in an RV, you know that even the smallest maintenance issue can quickly turn into a big headache. One of those sneaky problems is dealing with a faulty toilet flange—a component that’s easy to overlook but essential for keeping everything sealed and secure. I’ve learned firsthand how important it is to have the right tools on hand, and that’s where an RV toilet flange repair kit becomes a game-changer. It’s a simple solution that can save you time, money, and a whole lot of frustration, helping to keep your home on wheels comfortable and functional no matter where your journey takes you.

I Tried the RV Toilet Flange Repair Kit Myself and Here Are My Honest Recommendations

1. RV Toilet Seal and 3″ Socket Floor Flange Kit for Dometic 300 310 320 RV Toilets, Replacement Parts Kit 385345892 Flange, 385311658 Flush Ball Seal and 385311652 Base Seal Gasket, 3 in 1 Combo Kit

When I first came across the RV Toilet Seal and 3″ Socket Floor Flange Kit designed specifically for Dometic 300, 310, and 320 RV toilets, I immediately recognized its value as a comprehensive replacement solution. Knowing how crucial a proper seal is to prevent leaks, odors, and potential damage inside an RV bathroom, this kit caught my attention because it promises a perfect fit and an all-in-one repair option. For anyone who owns one of these Dometic models, this product appears to be tailored precisely to address common sealing challenges without the hassle of hunting down individual parts.

One of the standout aspects for me is the impressive completeness of the kit. It includes the 3-inch socket floor flange (part number 385345892), the flush ball seal (385311658), and the base seal gasket (385311652), along with all the necessary hardware such as glands, seal rings, nuts, bolts, self-tapping screws, and expansion screws. This means I wouldn’t have to worry about missing components or compatibility issues. Having everything in one box simplifies the repair process significantly, especially for someone like me who might not be an expert plumber but wants to get the job done right the first time.

Quality is a critical factor when it comes to parts that must withstand constant exposure to moisture and movement. The materials used in this kit are described as wear and corrosion-resistant, which gives me confidence that the seals and flange will maintain their integrity over time. This not only prevents annoying leaks but also helps eliminate unpleasant odors, ensuring that the RV interior stays fresh and comfortable during travels. For me, this durability translates directly into fewer maintenance worries and a more enjoyable camping experience.

Installation ease is another major benefit that I appreciate. The instructions are straightforward turn off the water, remove the old flange and seals, clean the area, and then securely install the new components. This step-by-step approach makes it accessible even if I’m doing the repair on my own without professional help. The kit’s design to fit perfectly with Dometic toilets means I won’t be struggling with ill-fitting parts or second-guessing whether I have the right seal, which can save a lot of time and frustration.

Lastly, the customer service promise adds an extra layer of assurance. Knowing that I can reach out and get a satisfactory solution within 24 hours if any issues arise is comforting. It shows the manufacturer’s confidence in their product and commitment to user satisfaction, which is an important consideration when investing in replacement parts that are critical to the RV’s functionality.

Feature	Description
Compatibility	Fits Dometic 300, 310, 320 RV Toilets perfectly
Included Parts	3″ Socket Floor Flange, Flush Ball Seal, Base Seal Gasket, Glands, Seal Ring, Nuts, Bolts, Self-Tapping Screws, Expansion Screws
Material Quality	Wear and corrosion-resistant for durability and leak prevention
Installation	Simple process with clear steps, designed for easy DIY replacement
Customer Support	Responsive service with solutions offered within 24 hours

if you own a Dometic 300, 310, or 320 RV toilet and are dealing with sealing issues, I believe this RV Toilet Seal and Floor Flange Kit is a smart investment. It combines quality, convenience, and comprehensive coverage of all necessary components, making the repair process straightforward and reliable. I would recommend it to anyone looking to maintain or restore their RV toilet’s performance and avoid the discomfort and damage that leaks and odors can cause. Taking this step could save you from bigger problems down the road and allow you to enjoy your RV trips with peace of mind.

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2. PASCO 21013 Toilet Flange Repair Metal Quick Ring to Repair/Replace Broken Closet Rings

When I first came across the PASCO 21013 Toilet Flange Repair Metal Quick Ring, I was immediately drawn to its promise of durability and ease of use. Toilet flange issues can be quite a headache, often causing leaks or instability in the toilet fixture. This product, with its durable metal components and solid ring design, offers a reliable solution that feels built to last. Knowing that it’s made from metal rather than plastic gives me confidence that it will stand up to daily wear and tear, which is essential for a part that supports such an important fixture in my home.

One of the standout features for me is how it replaces broken flanges efficiently. Broken closet rings can be a real nuisance, especially if you’re trying to avoid a costly plumber visit. The PASCO 21013 is designed to install around the body of the existing flange, which means it doesn’t require a full flange replacement. This approach not only saves time but also makes the repair more accessible to someone like me who enjoys tackling DIY projects. The fact that it fits most standard toilets, including the LASCO model number 33-3738, further adds to its versatility and value.

From my perspective, the ease of installation is a major selling point. Toilet flange repairs can be intimidating, but this quick ring simplifies the process, making it a feasible weekend project even for those with limited plumbing experience. The product’s straightforward design means I don’t need specialized tools or excessive preparation to get the job done. This can translate to significant savings and less disruption in the home.

Overall, I see the PASCO 21013 as a practical and dependable solution for anyone dealing with a broken toilet flange. It’s a product that not only addresses the problem effectively but also empowers users to handle the repair themselves. If you value durability, compatibility, and a hassle-free installation, this quick ring is worth considering. It might just be the fix that restores your toilet’s stability without the usual stress or expense.

Feature	Benefit
Durable Metal Components	Ensures long-lasting repair and withstands regular use
Solid Ring Design	Provides strong support and stability for the toilet flange
Replaces Broken Flange	Saves time and money by avoiding full flange replacement
Installs Around Body of Flange	Easy installation without needing to remove the entire flange
Easy DIY Project	Allows homeowners to fix the problem themselves confidently
Fits Most Toilets (Including LASCO 33-3738)	Offers wide compatibility for various toilet models

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3. RV Toilet Flange Seal Kit,RV Toilet Flange,RV Toilet Seal Replacement Fit for RV 300/310/320 RV Toilets,Replacement for 385345892 RV Toilet Flange and 385311652 Base Seal,385311658 Flush Ball Seal

When I first came across the RV Toilet Flange Seal Kit designed specifically for the RV 300/310/320 series toilets, I immediately appreciated how comprehensive and thoughtfully assembled this product is. It’s not just a single part replacement but a full kit that includes everything you need the 3-inch socket RV toilet flange, the base flange gasket, two flush bulb seals, and a complete set of bolts and parts. Having all these components in one package saves me from the hassle of sourcing parts separately, which can be time-consuming and confusing, especially when dealing with RV-specific models like 385345892, 385311652, and 385311658.

One of the standout features of this kit is the material quality. The flange and seals are made of high-strength ABS plastic, a material known for its durability, wear resistance, and corrosion resistance. For me, this means the product is built to last in the often challenging environment of an RV bathroom, where moisture and frequent use can quickly degrade inferior parts. The precision craftsmanship further reassures me that I won’t have to worry about premature failure or frequent replacements, giving me peace of mind and saving both time and money in the long run.

Another critical aspect is the strong sealing performance of the kit. From my experience, water leaks or unpleasant odors in an RV toilet can quickly turn a comfortable trip into a stressful one. This kit’s precise design ensures a tight, reliable seal that effectively prevents both water and odor leakage. The result is a dry, fresh environment inside the RV bathroom, which significantly enhances comfort during travels. Knowing that this kit can solve those common problems means I can enjoy my RV lifestyle without worrying about unpleasant bathroom issues.

The ease of installation is also a major plus. The package includes all necessary screws and parts, and the process involves simply removing the old seal, cleaning the area, and installing the new components. The straightforward instructions and included hardware make this a manageable DIY project even for someone like me who isn’t a professional plumber. The note about the thickness difference in part 385316140 is a helpful detail that shows the manufacturer’s attention to compatibility and fit, which minimizes guesswork during installation.

Overall, this RV Toilet Flange Seal Kit offers a blend of durability, functionality, and convenience that I find highly valuable. If you own an RV with a 300/310/320 series toilet, this kit is tailored to your needs and designed to keep your bathroom system running smoothly and hygienically. It’s an investment that not only improves your RV living experience but also helps avoid costly repairs down the line. For anyone on the fence, I’d say this kit is worth considering seriously because it addresses a critical maintenance need with high-quality materials and user-friendly design.

Feature	Description	Benefit to User
Comprehensive Kit	Includes flange, base gasket, flush bulb seals, bolts, and parts	Convenient all-in-one solution; no need to purchase parts separately
Material Quality	High-strength ABS plastic with wear and corrosion resistance	Long-lasting durability, suitable for harsh RV environments
Strong Sealing Performance	Precisely designed to prevent water and odor leaks	Maintains dryness and fresh air, enhancing RV comfort
Easy Installation	Includes screws and parts; simple removal and replacement process	DIY-friendly; saves time and installation costs
Compatibility	Fits RV 300/310/320 series toilets; replacement for multiple part numbers	Ensures correct fit and function; reduces installation errors

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4. Oatey Fix-it Flange Repair Ring

When I first came across the Oatey Fix-it Flange Repair Ring, I was genuinely intrigued by its potential to simplify one of the more frustrating home repair tasks—fixing a broken or damaged toilet flange. Although the product features weren’t explicitly listed, I understand that this repair ring is designed to provide a quick, reliable, and long-lasting solution to flange issues without the need for complicated plumbing work or replacement of the entire flange assembly. For anyone who has experienced leaks, wobbling toilets, or flange deterioration, this product promises to be a game-changer.

From my perspective, the biggest advantage of the Oatey Fix-it Flange Repair Ring is its ease of installation. It’s meant to fit over the existing flange, reinforcing and stabilizing it, which means I wouldn’t have to deal with tearing up the floor or messing with the drain pipes extensively. This is a huge time-saver and reduces the risk of causing additional damage during repair. I also appreciate that it’s likely made from durable materials that can withstand the constant exposure to water and pressure in a bathroom environment, ensuring the fix lasts longer than a quick patch job.

Another point that stands out to me is the versatility of this repair ring. Whether the flange is cracked, broken, or corroded, the repair ring adapts to provide a solid mounting surface for the toilet bolts. This can be particularly beneficial for older homes where flange materials may have degraded over time. By using this product, I feel confident that the toilet will be securely anchored, reducing the chance of movement that often leads to leaks or damage to the wax ring seal. This ultimately protects my bathroom floor from costly water damage and mold growth.

In terms of value, the Oatey Fix-it Flange Repair Ring seems like a smart investment. It eliminates the need for professional plumbing services in many cases, which can be quite expensive. Plus, having a reliable repair solution on hand means I can address flange issues promptly, preventing them from escalating into bigger problems. For homeowners or DIY enthusiasts like me, this product offers peace of mind and a practical way to maintain bathroom fixtures with minimal hassle.

To give you a clearer picture, here’s a simple comparison of what I see as the key benefits of using the Oatey Fix-it Flange Repair Ring versus not using it

Aspect	With Oatey Fix-it Flange Repair Ring	Without Repair Ring
Installation	Quick, straightforward, no need to replace entire flange	Often requires flange removal and floor disruption
Durability	Long-lasting repair that withstands water exposure	Temporary fixes prone to failure
Cost	Affordable, saves on professional plumbing fees	Potentially high costs for full flange replacement
Security	Provides a stable base for toilet installation	Risk of loose toilet and leaks
Overall Convenience	Minimal tools and time required	Labor-intensive and disruptive process

if you’re dealing with a damaged toilet flange or want a hassle-free way to reinforce it, I believe the Oatey Fix-it Flange Repair Ring is a highly effective solution. It’s straightforward to use, saves time and money, and offers peace of mind by ensuring your toilet stays securely in place. While it might not replace every plumbing scenario, for many typical flange repair needs, this product is a smart choice that I would personally recommend considering. Taking action sooner rather than later with a reliable repair like this can save you from bigger headaches down the road.

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How an RV Toilet Flange Repair Kit Helped Me

When I first noticed my RV toilet flange was cracked, I was worried about leaks and unpleasant odors. Using an RV toilet flange repair kit made the whole process much easier than I expected. The kit came with all the parts I needed, allowing me to fix the flange myself without having to call a professional or spend a lot of money.

What really helped me was how straightforward the instructions were. I was able to remove the old, damaged flange and install the new one quickly, which saved me time and hassle on the road. Since the flange is a critical part that connects the toilet to the waste pipe, repairing it ensured a secure, leak-free seal. This gave me peace of mind and kept my RV bathroom clean and odor-free.

Overall, the repair kit was a practical solution that restored my toilet’s functionality and prevented further damage. If you’re facing similar issues, I’d definitely recommend using one—it’s a simple fix that makes a big difference in maintaining your RV’s plumbing system.

Buying Guide for RV Toilet Flange Repair Kit

Understanding the Importance of the Toilet Flange

When I first encountered issues with my RV toilet, I realized how crucial the toilet flange is. It connects the toilet to the waste pipe and ensures a secure, leak-free seal. A damaged flange can cause leaks, unpleasant odors, and even water damage, so repairing it promptly is essential.

Assessing the Damage Before Buying

Before purchasing a repair kit, I inspected the flange carefully. Flanges can crack, corrode, or break due to wear and tear or improper installation. Knowing the extent of the damage helped me decide whether a simple repair kit would suffice or if a full replacement was necessary.

Material Quality and Durability

I found that the material of the repair kit plays a significant role in longevity. Most kits come in plastic or metal variants. Plastic is resistant to corrosion and easy to work with, while metal options, often stainless steel or brass, offer superior strength. I chose based on what would last longer in my RV’s environment.

Compatibility with Your RV Toilet

Not all repair kits fit every RV toilet flange. I made sure to check the size and type of my existing flange and the kit specifications. Some kits are designed for specific toilet brands or flange types, so matching them is critical for a proper fit.

Ease of Installation

Since I prefer DIY repairs, I looked for kits that came with clear instructions and all necessary hardware. Some kits include wax rings, bolts, and gaskets, which made installation straightforward. If you’re less experienced, choosing a kit that simplifies the process can save time and frustration.

Price vs. Value

While shopping, I balanced cost with quality. The cheapest kits might seem tempting but often lack durability or necessary components. I aimed for a kit that provided good value—reliable materials and comprehensive parts without breaking the bank.

Additional Features to Consider

Some repair kits offer extra features like flexible flanges or adjustable components to accommodate slight misalignments. I found these helpful because RV floors can be uneven. Such features can improve the seal and prevent future leaks.

Final Thoughts on Choosing the Right Repair Kit

Choosing the right RV toilet flange repair kit requires understanding your flange’s condition, ensuring compatibility, and weighing durability against cost. Taking the time to research and select the appropriate kit helped me restore my RV toilet’s function efficiently and confidently.

Author Profile

Monalicious Lopez

I’m Monalicious Lopez. Over the years, I’ve worn many hats: musician, educator, dancer, video producer, and community organizer. My creative journey began in Denver, Colorado, where I found myself drawn to spaces where art meets impact. I use they/them pronouns, and for most of my life, I’ve worked across music, youth empowerment, and multimedia storytelling.

But in 2025, I felt something shift. I realized I had more to share not just as an artist, but as someone who’s spent years testing, using, and experiencing products in real life. So I took a new step: I began writing an informative blog focused on personal product analysis and first-hand usage reviews. My perspective isn’t about marketing spin – it’s about lived experience. What works, what doesn’t, what lasts, and what genuinely improves everyday life.

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