RV Sewer Hose

What Is an RV Sewer Hose and Why Does It Matter?

Every RV trip eventually leads to the same unavoidable task: emptying the holding tanks. A quality RV sewer hose is the critical link between your rig's waste outlets and the campsite dump station, ensuring that black and grey water are disposed of cleanly, safely, and without incident. While it may not be the most glamorous piece of RV gear, the wrong hose — one that kinks, cracks, or leaks — can turn a relaxing weekend into a messy ordeal.

RV sewer hoses are typically 3 inches in diameter and are designed to compress down for compact storage when not in use. They come in a range of lengths — commonly 10, 15, and 20 feet — and are sold as individual extensions or as complete kits that include elbows, adapters, and end caps. Understanding your specific needs, from the distance between your RV's outlet and the dump station to the type of sewer connection at your campground, will help you choose the right setup.

What to Look for When Shopping RV Sewer Hoses

• Material and thickness: Heavier-mil vinyl and reinforced polyolefin construction resist punctures, abrasion, and UV degradation far better than thin-walled alternatives.
• Crush resistance: A hose that collapses if accidentally stepped on is a liability. Look for steel-wire reinforcement or exoskeleton designs that hold their shape under pressure.
• Fittings: Pre-attached swivel fittings that rotate 360 degrees make connecting to your RV outlet and dump station far easier, especially in tight spaces.
• Adapter compatibility: Campground sewer connections vary. A 4-in-1 adapter that accommodates 3-inch slip and multiple NPT threaded sizes means you won't be caught off guard.
• Kit vs. extension: Complete kits are ideal for most campers, while individual extensions let experienced RVers customize their length for longer reaches.
• Storage: Hoses that compress tightly and include capped ends stay cleaner and take up less precious storage space in your bumper or compartment.

Top RV Sewer Hose Brands

Camco is the dominant name in RV sewer hoses, and for good reason. Their RhinoFLEX line features hoses made of durable 23-mil polyolefin reinforced with steel wire, while the premium RhinoEXTREME series adds superior abrasion resistance and a crush-proof design that won't dent, rust, or collapse underfoot. The Revolution line rounds out the lineup with 360-degree swivel fittings for maximum maneuverability. With kits ranging from 15 to 20 feet and a full ecosystem of extensions, elbows, and adapters, Camco has an option for virtually any RV setup.

Thetford is a respected name in RV sanitation systems and brings that same engineering focus to their sewer hose offerings. Thetford's hoses and fittings are designed with a system-level approach, making them a natural complement to their other waste management products.

Valterra offers a broad selection of RV sewer hoses and fittings with an emphasis on versatility and value. Their wide product range includes hose kits, individual extensions, and specialty fittings, making them a go-to source for RVers who need to mix and match components.

For even more options, explore hoses from US Motor Works and Duraflex, both of which round out a diverse catalog suited to different budgets and use cases.

Build the Right System for Your RV

Most experienced RVers keep at least 20 feet of sewer hose on hand, along with a spare elbow and a set of end caps. Whether you're a weekend warrior at a full-hookup campground or a full-time liveaboard who needs a hose that can handle daily use, investing in a well-built sewer hose system pays dividends in convenience, cleanliness, and peace of mind on the road.