Best RV Sewer Vent Caps – Complete Review

This is arguably the best RV sewer vent cap and boasts a few unique features that will instantly attract any experienced RVer. The whole system does exactly what it says it can do. The odor-preventing system will be fitted easily as it boasts its universal fit, meaning it can work with most, if not all, vent pipes.

The 360 intake design will flush out any odors by pulling in oxygen-rich air which then pushes out any gases, as well as setting up a perfect breeding ground for bacteria that break down waste easily and fast.

This model has a unique feature called a bug screen, which is built-in, meaning that you'll have no spiders or small insects crawling in through the vent during winter time.

Bottom Line

This system is one of a kind because of its highly-effective, built-in bug screen. A huge problem for RV owners is when insects find their way into your RV through these sort of vents.

However, this effective form of defense against infestation will take care of that for you. You'll also greatly benefit from the standard function of this, which is flushing out any gases or foul odors by causing an updraft. The 360 design is what makes it so effective and you'll start noticing results immediately.

The manufacturers also boast that this can fit on any pipe, which means you'll not need to worry about any compatibility issues. The only fault with this product is that the plastic material isn't durable enough, as it'll crack fairly easily.

This RV sewer vent cap will ensure that you'll never have to put up with any disgusting smells coming from your holding tank ever again. It will fit perfectly onto any two-inch vent pipe by using the simple tension spring attachment that allows to you easily take it off or put it on without any hassle.

The ABS plastic material they've used is protected against any UV damage, which is a common problem with anything on top of your RV roof. Light and heat will crack or discolor your vent if not protected.

Bottom Line

This is currently the best sewer vent cap on the market for a few reasons. First, because of the UV protection this cap has, this means it won't suffer from any discoloration or cracking due to the heat or sunlight. The device is also super easy to install, which is a huge benefit for any RV owner, as every second counts.

You'll be assured this sewer vent cap will last a while as its made from highly durable ABS plastic, one of the strongest materials for RV products. The final benefit is that it'll fit onto any two-inch vent, so compatibility isn't an issue. The only downside with this product is that it doesn't come with a base so you might need to use the old one.

You'll never have to suffer from horrible holding tank smells with this RV sewer vent cap. It will effectively use the natural airflow coming from the environment around you and flush the odors out. The installation is fairly easy as the holes have already been drilled into the base, so all you need to do is drill through the holes to secure it on to the RV.

The white design will easily blend into your RV’s color-scheme and will stay the same color for years down the line thanks to the effective UV protection provided. This model can either be bought as a single unit or as a pack of six. You'll have greater compatibility with this product as you'll be able to connect it to any vent pipe between 1-2 ⅜ inches.

Bottom Line

This product has plenty of benefits, such as being able to retain that gorgeous, brand new look because of the effective protection against UV damage such as discoloration.

It'll take no time to install either, another huge benefit. The reason for this is because the base system - which is also provided - also has pre-drilled holes at the sides, therefore, all you need to do is secure it to the RV by drilling screws through those holes.

You'll also find that this model is compatible with a variety of vent pipe sizes ranging from 1-2 ⅜ inches in diameter. The only downside with this product is that the material will have a higher chance of being damaged after sudden or constant weather changes.

This two-piece RV sewer vent cap comes as a base system with some pre-drilled holes, which makes it easier to install, as well as your actual vent cap that simply clips into place. The entire system will be able to support any model that has a diameter of up to 1.5 inches.

The clean, white design is what gives it such a lovely look for it to blend into the RV color-scheme, this color will be protected for years thanks to the effective UV protection, which also protects it from cracks due to constant changes in temperature. The polyethylene material is used in plenty of other RV-related products due to the strength of the material.

Bottom Line

This product is arguably the best value for money. The two-piece vent comes with pre-drilled holes to ensure the setup process is easy for anyone to do. A huge advantage of this product is the durability of the polypropylene material, which will absorb any damage or accidental hits without taking the full vent cap out of business.

Another important protection this model has is the UV protection that limits any chance of cracks and ensures there's no discoloration for a long-lasting life. The one disadvantage of this product is that it only covers a small pipe diameter of up to 1.5 inches. This greatly limits its compatibility.

This product is fantastic in the sense that it's really effective in drawing out any bad odors by just using the natural air pressure. The way it works is by following the direction of the wind. It does this by rotating up to 360 degrees to ensure it has the best airflow possible. This technique flushes out any foul odors or gases from the holding tanks.

An attraction of this is that it doesn't require any drills or screws to secure it to your RV. All it takes is some special sealant and you'll be sorted. If you need to take the it back off, you can easily do so without removing the base system and then clip it back on when ready again. 

Another nice feature of this is that it has a UV protecting resin coating that'll protect your investment for years down the line from discoloration or cracking due to the extreme heat.

Bottom Line

This RV sewer vent cap is one of the more attractive models on the market. The reason for this is because of the hassle-free installation. The vent cap and base don't require any drilled holes or screws piercing through your roof. You'll also notice that this product works with the wind and not against it by rotating up to 360 degrees to ensure proper airflow to flush out any bad odors.

One of the best features of this is the UV resin that coats the product to ensure no discoloration or cracking from sun exposure for years down the line. The only downside with this product is that it's hard to be 100% certain that your vent cap is secured properly unless you use waterproof sealant.

This cap has a unique feature that hasn't been seen yet on this list. It offers a new effective method to clean out your holding tank odor.

The solar-powered fan provides extra fresh air, which makes the whole process faster in extracting that foul smelling odor and gases from the holding tank.

A feature of this sewer vent cap is that it has no wires whatsoever and it switches on/off automatically. The powder coating finish is what makes the vent cap retain its bright, white color. The installation of it is also quite simple as all you need to do is use some waterproof sealant and install the screws, all the drilling has been done for you.

Bottom Line

There are plenty of benefits that come with this model. It has a few unique features like the solar powered fan, which will really boost the efficiency and speed at which you extract any foul odors. Even though it's solar powered, there are no wires whatsoever, so you'll not need to worry about covering anything up.

Another benefit is that the protective powder will stop your product from eroding or becoming discolored. The only downside with this is that it's made from plastic, which will often break under strain from the weather. You might also experience the fan beginning to stick after a while.

This product is one of the easier vent caps to install because of the pre-drilled holes on the base system. You'll only need the bare minimum of drilling done on your RV roof, and the vent cap itself is a simple snap-on cap fastened to the flange with some screws.

The durable plastic is actually a thick polyethylene material, so you'll not experience any severe damage on this vent system.

Another important quality is the UV protection you'll have on this vent cap. It'll be enough to keep your original bright color for years down the line. The final feature of this vent cap system is that the two-piece product will be able to fit any 1 ¼ and 1 ½ vent pipe.

Bottom Line

This RV sewer vent cap is one of the more basic models on the market, but it still offers plenty of benefits. The material it's made from is thick and durable enough to survive a proper beating. This could be from falling branches or a tight squeeze under a bridge, and having such a robust vent cap is a huge benefit.

Another benefit is the UV protection you'll receive. You'll never suffer from any level of discoloration from constant sun exposure. The last benefit, and probably one of the best, is that you'll not be sweating over the installation of this product as all holes are pre-drilled and all you'll need to do is secure it down on to your RV with some screws and waterproof sealant.

There are a couple of downsides to this product. The first being that it won't fit any vent pipes larger than 1 ½-inch in diameter, with the standard being two inches. The final downside is that there's no built-in bug defense.

What Recent Buyers Report

According to most users, this sewer cap is the perfect option to opt for. The installation process is very easy; you just have to screw it in, loop the clear loop around the tab, and you’ll be done. The holder in the middle makes it easier for you to install the cap, plus you can tighten it better into the tabs without facing any hassle. 

Why it Stands Out to Us

You want to see your RV sewer vent cap right? You certainly do when there's a bit of an emergency going on. We'll this sewer vent cap from Camco is bright enough and is also made of high quality material that will last you a longer period of time. This unit also features four hooks instead of two like normal caps, which allows the cap to fit in better. It is easy to screw it in and take it off, allowing you to easily clean it as well. 

Bottom Line

The RV sewer vent cap is easy to install and use. You can easily clean it, and it helps keep the camper fragrant. Since it's made of high-quality plastic, it is least likely to get damaged and last you a long time. The fit of the cap is perfect, and you can easily tighten it to make sure that it stays; it is definitely an option worth considering.