What Is the Best RV Toilet Replacement?

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Conner Lund

Favorite Trip

Backpacking Ozark Trail

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Bowling Green, KY

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Winnebago Revel

About Contributor

Conner Lund is a Technical Content Writer. He has both hands-on experience and real-world knowledge. He’s an avid outdoorsman: camping, hiking, backpacking, mountain biking, kayaking, hunting, and fishing are all things he enjoys that you could find him doing on any given weekend. He loves to travel and see new places. He does most of his exploring and camping out of his overlanding truck with a rooftop tent.

Avoiding public bathrooms is one of the many great benefits of RV ownership. However, some RV toilets are a bit lacking. Luckily, it doesn’t have to stay that way. This is one of the most underrated ways to upgrade your RV, and there are many great RV toilet replacement options to choose from. 

Let’s look at the best RV replacement toilets and define how to choose the right one for your RV, from selecting a bowl material to getting the correct seat height. Here’s everything you need to know.

Why Replace an RV Toilet?

Making your bathroom experience more comfortable is the primary reason for replacing a working RV toilet, but there are other reasons to consider. 

If you purchase a used RV, you might consider a new toilet for sanitary reasons. You may also want a toilet with new features or a raised seat height compared to your current model. A leak or faulty flush mechanism could also warrant an RV toilet replacement. 

Regardless of your reason, we’re here to guide you through all the RV toilet replacement options and choices. Let’s begin!

Choosing an RV Replacement Toilet

Top 3 RV Toilets
Photo by Camping World

Here are some of the factors to consider when selecting a replacement RV toilet. 

Rough-In

The distance from the wall to the center of the toilet flange, known as the “rough-in,” is an important measurement to find the correct RV toilet replacement. The new toilet must have a rough-in measurement that is less or equal to the flange in the RV. 

Bowl Material

The two main materials used in bowl construction are plastic and ceramic/porcelain. Plastic is a good option because it’s lightweight and cost-effective. Ceramic is great because it’s durable and doesn’t hold stains or smells. It’s also the same material as your residential toilet. 

ProsCons
PlasticLightweightCost EffectiveLess DurableHolds Smells/Stains
CeramicDurableDoesn’t Hold Smells/StainsHeavyExpensive

Seat Height

Seat height is the main determinant of comfort when using an RV toilet. Most models have a low seat height because they’re cheaper and lighter. This makes it harder to get up after sitting down. A taller seat height is heavier but easier to use. 

There’s no one-size-fits-all solution here; your personal preference narrows your options. For reference, a residential seat height is 18” or higher.

Bowl Shape

There are two common bowl shapes to choose from: standard and elongated. An elongated bowl is more comfortable and hygienic, but it also adds extra weight and increases the price of the replacement RV toilet. A smaller round bowl will give you more room inside the bathroom. 

Flush Mechanism

Most RV toilets utilize a foot flush mechanism, typically located on the front or side of the base. Some models have an electric flush mechanism. This electric mechanism often includes a cutoff switch to prevent overfilling your black tank, which is a nice feature for added peace of mind. However, the downside of the electric mechanism is adding a non-analog component that could require advanced repair expertise if it fails. 

Spray Feature

Some toilets have a handheld sprayer to help clean the bowl after use. This makes cleaning easier, prevents staining, and keeps odors down. It is NOT a bidet, but it IS a nice bonus feature to look for when comparing replacement RV toilets.

Best RV Toilet Replacement Options

Now that you know what to look for, here are five of our top-rated RV toilet replacement options:

Dometic 320 Series RV Toilet

Dometic 320 Series
Photo by Camping World

Don’t let the price scare you; this is the best RV toilet replacement money can buy. You’ll hardly notice a difference from the one back home. The residential-height seat, ceramic bowl, and elongated seat make this a must-have toilet for your RV bathroom

Seat Height (in.)Bowl MaterialSeat ShapeWeight (lbs.)Rough-In (in.)
18CeramicElongated3711

Thetford Aqua-Magic Style Plus RV Toilet

Thetford Aqua-Magic Style Plus RV Toilet
Photo by Camping World

The Thetford Aqua-Magic Style is another premium option for your RV bathroom. It has a residential-height seat for ease of use and a ceramic bowl that won’t stain or smell. 

Seat Height (in.)Bowl MaterialSeat ShapeWeight (lbs.)Rough-In (in.)
17.5CeramicElongated4511

Dometic 310 Series RV Toilet

Dometic 310 Series
Photo by Camping World

If you like the Dometic 320 but want more space, the Dometic 310 is for you. This RV replacement toilet has a residential-height seat and ceramic bowl. The round bowl still has plenty of room without taking up as much space. 

Seat Height (in.)Bowl MaterialSeat ShapeWeight (lbs.)Rough-In (in.)
18CeramicRound2310

Dometic 300 Series RV Toilet

Dometic 300 Series RV Toilet
Photo by Camping World

Like the 310 and 320, the Dometic 300 has a residential-height seat but a plastic bowl to save weight and a round seat to save space. It’s a great option for those on a budget. 

Seat Height (in.)Bowl MaterialSeat ShapeWeight (lbs.)Rough-In (in.)
18PlasticRound108.5

Thetford Aqua-Magic Residence RV Toilet

Thetford Aqua-Magic Residence
Photo by Camping World

The Thetford Aqua-Magic Residence is very similar to the Dometic 300 but at a slightly more economical price point. It was a tall seat for ease of use and a plastic bowl to save weight. 

Seat Height (in.)Bowl MaterialSeat ShapeWeight (lbs.)Rough-In (in.)
18PlasticElongated139.5

Are All RV Toilets Interchangeable?

Although most RV toilets use the same mounting pattern, they can require different rough-in measurements, so they are not all interchangeable. You’ll need to measure the distance from the wall to the center of the flange to ensure your RV replacement toilet choice meets or exceeds your camping commode’s requirements. 

Learn how to replace an RV toilet in 7 easy steps.

How To Make Your RV Toilet Last Longer

Lubricating RV toilet ball valve seal
Photo by Camping World

If you want to extend the life of your existing toilet, read through the owner’s manual and perform all routine maintenance. 

We always recommend keeping the ball valve seal or RV toilet seal well-lubricated. If you notice unpleasant odors inside your bathroom, this is usually the first place to check. Clean the seal periodically and apply a lubricant, such as a mild detergent. 


There are many RV toilets to choose from, so we hope this article helps you choose the correct RV toilet replacement. If you’re not comfortable replacing the toilet yourself, you can check for an RV parts store near you. Be sure to check out some of our other related articles below:

In the comments below, let us know if you’ve ever picked out an RV toilet replacement and which one you chose.

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