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Comparison

Best RV Sewer Hose: 5 Kits Compared

Five 20-ft sewer hose kits. Why the $80 RhinoFLEX is the default, what the Waste Master's cam-lock actually fixes, and when the cheap hose is all you need.

Buy the Camco RhinoFLEX 20-ft kit ($79.99) unless bayonet fittings have personally wronged you, in which case the Lippert Waste Master's cam-lock connector is worth its roughly $217 price. Scores weigh published specs, warranty, and price. We have not lab-tested these units.

Top picks

Top picks

Camco#1 Pick

RhinoFLEX 20' Sewer Hose Kit (39741)

20 ft, steel-wire core, 4-in-1 adapter
    Lippert#2 Pick

    Waste Master 20' Hose Kit with Cam Lock (359724)

    20 ft, cam-lock connector, shut-off valve
      Camco#3 Pick

      RhinoEXTREME 20' Sewer Hose Kit (39867)

      20 ft, abrasion-resistant exoskeleton

        What actually matters in a sewer hose

        Three things: the fittings, the kit contents, and whether the hose survives storage. Length mostly does not; every kit here is 20 feet, shipped as two 10-foot sections (the Waste Master is one 20-foot run), and you use one section when the drain is close.

        The fittings are where dumping goes right or wrong. Four of these five kits use bayonet fittings, the twist-on lugs that mate with the RV's outlet. The good versions swivel so the fitting turns without twisting the whole hose; the RhinoFLEX, RhinoEXTREME, and Dominator all do this. The adapter on the other end matters just as much: Camco's 4-in-1 and Thetford's Revolve 5-in-1 both cover the 3-inch slip and 3, 3.5, and 4-inch threaded inlets you meet at dump stations, so either kit connects nearly anywhere.

        Kit contents separate a complete purchase from a start. The RhinoFLEX box has hoses, a transparent elbow, the adapter, and storage caps. The Titan adds two replacement seals, the part that fails first. The Dominator lists two hoses and an adapter, and that is it.

        The cam-lock case

        The Waste Master replaces the bayonet ritual with an industrial cam-lock: push it on, close two levers, done. It adds a 90-degree nozzle with a shut-off valve and a clear view port, so you can watch the flow finish and close the hose before you disconnect. Those three features address the exact moments people learn to hate.

        The premium is real. Lippert's own page would not render a price when we checked; search attribution puts it around $217 list, roughly triple the RhinoFLEX. It also compresses to 5.5 feet rather than collapsing flat, so it wants a longer storage bay, and the matching 20-foot extension costs $294.95, more than the kit. If you dump weekly as a full-timer, the math can still work. If you dump five times a summer, it probably does not.

        When the cheap hose is fine

        If you camp a few weekends a season, dump at well-kept stations, and store the hose in a bumper or bay, the $79.99 RhinoFLEX is not a compromise, it is the correct answer. The failure modes the expensive hoses guard against, abrasion from gravel pads, getting stepped on, daily connect cycles, mostly do not apply to occasional use. Spend the difference on leveling blocks.

        The RhinoEXTREME's case is narrow but honest: same kit design, tougher jacket, $33 more. Camco claims it will not dent, rust, or crush if stepped on. We note those claims come from Camco's marketing pages, not the thin product listing, and we could not verify a warranty term for it.

        All five, side by side

         CamcoLippertCamcoThetfordValterra
        Price$79.99~$217 list (from search attribution; the price did not render on lippert.com)$112.99--
        Key spec20 ft, steel-wire core, 4-in-1 adapter20 ft, cam-lock connector, shut-off valve20 ft, abrasion-resistant exoskeleton20 ft, TPE, 5-in-1 adapter20 ft, collapses to 39 in per hose
        Length20 ft (two 10-ft sections)20 ft extended, 5.5 ft compressed; stays extended in use20 ft (two 10-ft sections)20 ft (two 10-ft hoses)20 ft (two 10-ft hoses)
        FittingsPre-attached swivel bayonet; 4-in-1 adapter fits 3" slip or 3", 3.5", 4" threaded-Pre-attached swivel bayonet and lug fittings; transparent elbow with 4-in-1 adapterUniversal bayonet with extended grip; Revolve 5-in-1 adapter with handleRotating fittings; 90-degree universal sewer adapter
        ConstructionPolyolefin reinforced with steel wire; collapsible for storagePuncture-resistant, UV-protected; outer skeleton coil, smooth interior, bonded cuffsAbrasion-resistant exoskeleton; Camco claims it will not dent, rust, or crush if stepped onTPE; Thetford claims high puncture and abrasion resistance and extreme-temperature useUV-stabilized poly; holds position for drainage
        IncludesTwo 10-ft hoses, transparent elbow with 4-in-1 adapter, storage capsBall valve kit, 3" hose with cam lock, ABS coupler assembly, plug insertTwo 10-ft hoses, elbow with 4-in-1 adapter, capsTwo hoses, Revolve 5-in-1 adapter, 2 end caps, 2 replacement seals-
        Warranty12 months1 yr; made in USA---
        RV connection-Industrial cam-lock connector---
        Nozzle-90-degree discharge with shut-off valve and clear view port---
        Storage----Each hose collapses to 39 in
        Best forMost RVers; the default first hoseAnyone done fighting bayonet fittingsRough gravel pads and full-timers who wear hoses outCold-weather campers who can find it at a fair dealer priceTight storage bays, bought at a good retailer price
        Score7.5/107/106.5/105.8/105.5/10

        The two you have to price yourself

        Valterra and Thetford publish no prices. Both sell through retailers, so the Dominator and the Titan cost whatever the listing in front of you says, and neither states a warranty term on its product page. That does not make them bad hoses. The Dominator's position-holding coil and 39-inch collapse are useful, and the Titan's TPE construction carries an extreme-temperature claim plus those spare seals. But we cannot call something a good value when the maker will not say what it costs, so both rank below the kits with published prices.

        What we would skip

        Nothing here is junk. But we would not pay the RhinoEXTREME premium without a confirmed warranty, and we would not buy the Dominator or Titan without comparing at least two retailer prices first, since dealer spreads on unlisted-price gear can be wide. And whatever hose you buy, buy a kit with an adapter. A bare hose that cannot connect to the dump station inlet is a story you only need once.

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        Water filters, power, and the other unglamorous equipment that keeps a rig livable.

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        Frequently asked questions

        What is the best RV sewer hose?

        The Camco RhinoFLEX 20-ft kit at $79.99 for most people. It includes the hoses, a transparent elbow, a 4-in-1 adapter, and caps, and the swivel bayonet fittings make hookups tolerable. If you want to stop dealing with bayonet fittings entirely, the Lippert Waste Master's cam-lock is the real upgrade, at roughly triple the price.

        Can you dump grey water on the ground?

        Generally no. Dumping grey water on the ground is prohibited on most public land, and land managers treat it as waste water just like black. Assume it is not allowed anywhere unless the land manager explicitly says otherwise, and use a dump station. The posted rules where you are camped always win.

        What is the difference between bayonet and cam-lock sewer fittings?

        A bayonet fitting twists onto the RV outlet and needs the lugs aligned by feel, often while you crouch under the rig. A cam-lock slides on and closes with two levers. The Lippert Waste Master is the only kit here with a cam-lock; every other kit uses bayonet fittings. The cam-lock costs about three times the RhinoFLEX price.

        Do RV sewer hose adapters fit every dump station?

        The multi-fit adapters come close. Camco's 4-in-1 covers a 3-inch slip fit plus 3, 3.5, and 4-inch threaded inlets, and Thetford's Revolve 5-in-1 covers the same range. That handles nearly every dump station inlet in the US, which is why a kit with one of these adapters beats a bare hose.

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        Compare the picks.

        Scored on the specs that decide the outcome, not the marketing.