RV Sewer Hose

Everything You Need to Know About RV Sewer Hoses

One of the less glamorous — but absolutely essential — aspects of RV ownership is managing your waste system. A quality RV sewer hose is the critical link between your rig's holding tanks and the campground dump station, and choosing the right one can mean the difference between a clean, worry-free trip and a messy, frustrating situation at the dump station. Understanding what to look for before you buy will save you headaches on the road.

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

An RV sewer hose — sometimes called a dump hose or waste hose — is a flexible, corrugated tube designed to safely transfer black and gray water from your RV's holding tanks to a sewage connection at a campground, dump station, or full-hookup site. These hoses must be durable enough to handle corrosive waste materials, flexible enough to navigate awkward angles between your rig and the dump inlet, and leak-proof to prevent unsanitary spills.

Most standard RV sewer hoses use a 3-inch diameter, which is the near-universal size for RV waste outlets and campground connections. Key features to evaluate include wall thickness (which affects durability and crush resistance), hose length (most setups benefit from at least 10–15 feet of reach), and the quality of the fittings and end caps. Many hoses are designed to collapse for compact storage, an important consideration when cabinet space is at a premium.

Essential Accessories

A complete waste management setup goes beyond just the hose itself. Sewer hose support systems keep your hose elevated off the ground for better flow and to comply with campground rules. Elbow adapters and bayonet fittings ensure a secure, leak-free connection to dump station inlets of varying designs. Caps and plugs seal off both ends during storage and travel, and translucent elbows let you visually confirm the tank has fully flushed — a small feature that makes a big practical difference.

Top Brands in RV Sewer Hoses

When it comes to reliable waste management on the road, a few brands stand out above the rest:

• Camco – The dominant name in RV accessories, Camco offers an extensive lineup of sewer hoses, bayonet-style fittings, hose supports, and complete dump kit bundles. Their products are widely recognized for strong construction, practical design, and broad compatibility with standard campground hookups.
• Thetford – A global leader in RV sanitation systems, Thetford brings deep expertise in waste management to their sewer hose lineup. Their products are designed with the same engineering focus that makes their RV toilets and holding tank treatments trusted worldwide.
• Valterra – Valterra is a well-established RV plumbing and accessories brand with a broad range of sewer hoses and fittings. They offer a wide variety of configurations, making it easy to find the right fit for your specific rig and campground setup.
• US Motor Works – A versatile aftermarket parts supplier that rounds out the category with additional sewer hose options for RVers looking for straightforward, functional solutions.
• Duraflex – Duraflex contributes a solid selection of sewer hose products to the category, offering RVers even more choices when it comes to hose styles and connector configurations.

Choosing the Right RV Sewer Hose

Before purchasing, consider how far your RV's waste outlet typically sits from the dump station inlet — and buy more hose than you think you need. Look for reinforced, puncture-resistant walls if you frequently camp at sites with rough ground. If storage space is tight, a collapsible hose with a carry bag or storage tube is worth the investment. Pairing your hose with the right fittings, a hose support, and a good pair of disposable gloves will make dump day as quick and clean as possible.