The Best RV Sewer Hose Kit

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The Camco RhinoFLEX RV Sewer Hose Kit on a dark green background

With all the cool things you can buy for your rig, finding the best RV sewer hose kit isn’t a terribly exciting purchase. However, there are not many other RV items you can buy that will save you from a major headache.

If something goes wrong while dumping, you will have a major mess to deal with. Knowing how to properly dump your tanks is one thing, but having the best RV sewer hose can help tremendously.

A smiling woman peeking her head of an RV

What is a sewer hose kit?

A kit means is that the package comes with everything you need to dump your tanks. This includes one or two hoses, attachments for your RV, elbow attachments for the sewer connections, and storage caps. It’s best to buy a kit unless you know you only need a hose.

What is the standard size of an RV sewer hose?


The standard size for an RV sewer hose is 3 inches in diameter. This diameter has become the industry standard, and most RV manufacturers design their waste valves to be compatible with sewer hoses of this size.

While most RV sewer hoses are 10 to 20 feet in length, the diameter remains consistent across most brands and models.

How many feet of sewer hose do you need with an RV?

The length of sewer hose needed for an RV can vary depending on the size of the vehicle and the location of the dump station.

Most RV sewer hoses range from 5 to 20 feet long, but longer hoses may be necessary for longer RVs.

It is always a good idea to have at least 20 feet of sewer hose to ensure that you can connect your RV to the dump station without any issues.

Additionally, it is important to invest in a high-quality and durable sewer hose to prevent leaks and ensure efficient waste removal.

The Best RV Sewer Hose

The perfect sewer hose is a trusted companion for all campers, full-time or weekender. The right hose can mean the difference between a good or a “crappy” day. Let’s review our top pick!

Camco RhinoFLEX 20-Foot RV Sewer Hose Kit

RhinoFLEX 20ft RV Sewer Hose Kit
  • SUPERIOR RV TANK DUMPING: Streamline RV tank dumping with Camco’s RhinoFLEX 20' RV Sewer Hose Kit. Made with a tough,...
  • BUILT FLEXIBLE & TOUGH: Constructed with 23 mils of durable polyolefin and reinforced with steel wire, the RhinoFLEX RV...

The RhinoFlex RV Sewer Hose Kit has a one-year warranty against defects from the date of purchase. Most likely you won’t need to use that because the sewer hose is made of thick 23 mils of heavy-duty polyolefin (thick plastic) reinforced with steel wire. 

This sewer hose has been engineered to store in a standard 4″ bumper. The sewer hose is available in various lengths of 5ft, 10ft, 15ft, and 20ft. This grants you the flexibility to use the least amount of hose but allows you to connect them together to reach further away when necessary. This kit comes with 20 ft allowing you to reach our recommended sewer hose length.

This sewer hose comes with specially designed fittings to quickly connect it to your standard RV sewer outlet. In addition, this kit comes complete with two caps to keep any additional water inside the hose and not in your bumper. The RhinoFlex series has various additional attachments available so you can connect to any dump station no matter how oddly constructed.

How To Use a Sewer Hose

Using a sewer hose is relatively easy. You will first connect one end to your RV and the other to the sewer outlet. Make sure your fittings are tight!

We like to first open our gray tank valve to double-check there aren’t any leaks. Once you know you’ve connected your hose securely, open your black tank. Use a black tank flush if you have one. Once your black tank is empty, open your gray tank.

Once your tanks are empty, you can rinse your RV sewer hose with water and put on the end caps. Put it away and you’re done!

An RV parked at a dump station using the best RV sewer hose to dump its tanks

Buy The Best

As I said before, the right sewer hose can make or break your camping trip. In this case, it’s best to buy the best instead of learning your lesson the hard way! We’ve had our RhinoFLEX RV Sewer Hose kit for four years now and we can’t recommend it enough!

Last update on 2024-05-22 / Affiliate links / Images from Amazon Product Advertising API

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2 comments
  1. I can’t agree more on your choice. I have used many, and that is what I use and have had no problems with it.

  2. I like having that clear part – where i can see what is dumping and when the water is really clear. Thanks!

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