We research everything we recommend. When you buy through our links, we may earn a commission. Learn more

Buying Guide

6 Best RV Sewer Hose Bayonet Fitting in 2026: A Practical RV Guide

Compare RV sewer hose bayonet fittings, rotating adapters and storage caps, from TonGass and Valterra rigid adapters to Camco bayonet and elbow caps.

By Hardcastle's RV Editors

10 min read6 products evaluated

A bayonet fitting is the twist-and-lock end that joins a sewer hose to an RV outlet, a cap or an adapter. The pieces vary by thread, rotation and whether they are meant to join, adapt or cap an end.

Six bayonet products are compared, including rotating rigid adapters, an EZ coupler and two caps. Check each listing's thread type and the other end's size so the parts actually mate.

Hardcastle’s RV field notes

The Rig Fit Check

A quick way to connect the shortlist to the space, workload and ownership details that matter after the box arrives.

Start with the job
Valterra T1027 Rotating Rigid Sewer Pipe Bayonet Adapter with 3" Male Thread x Bayonet Hooks leads this shortlist for Outlet connection. Use that fit as a reference point, then compare the alternatives against your own space and workload.
Specs that separate the picks
The first details to compare are 3 in male thread x bayonet, 3 in rotating rigid adapter, 2-piece pipe adapter pack. Confirm the exact model and included components before ordering.
Trade-off to plan for
Single piece only

The Practical Shortlist

A road-tested-thinking look at 6 options, organized around the job each one suits best.

  1. Best Rotating Adapter

    Valterra T1027 Rotating Rigid Sewer Pipe Bayonet Adapter with 3" Male Thread x Bayonet Hooks

    Outlet connection

    Our take Check price for Valterra T1027 Rotating Rigid Sewer Pipe Bayonet Adapter with 3" Male Thread x Bayonet Hooks (opens in a new tab)

  2. Best Two-Piece Combo

    TonGass 3" Rotating Rigid Bayonet Adapter with Male Thread & Hooks

    Rotating and termination

    Our take Check price for TonGass 3" Rotating Rigid Bayonet Adapter with Male Thread & Hooks (opens in a new tab)

  3. Best Budget Combo

    TonGass

    Combo on a budget

    Our take Check price for TonGass (opens in a new tab)

  4. Best Hose Extender

    Valterra F02-3108 EZ Coupler Bayonet Fitting

    Extension hoses

    Our take Check price for Valterra F02-3108 EZ Coupler Bayonet Fitting (opens in a new tab)

  5. Best Cap Pair

    Camco Rhino Flex Cap Bayonet and Elbow Cap

    Hose storage

    Our take Check price for Camco Rhino Flex Cap Bayonet and Elbow Cap (opens in a new tab)

  6. Best Cheapest Caps

    Camco RV Sewer Hose Storage Cap Set

    Simple storage caps

    Our take Check price for Camco RV Sewer Hose Storage Cap Set (opens in a new tab)

Why Each Pick Made the Cut

Valterra T1027 Rotating Rigid Sewer Pipe Bayonet Adapter with 3" Male Thread x Bayonet Hooks

Best Rotating Adapter1 of 6

Valterra T1027 Rotating Rigid Sewer Pipe Bayonet Adapter with 3" Male Thread x Bayonet Hooks on Amazon (opens in a new tab)

The strongest case for Valterra T1027 Rotating Rigid Sewer Pipe Bayonet Adapter with 3" Male Thread x Bayonet Hooks is rotates for easy connection.

Best for

Outlet connection

Why it made the shortlist

The Valterra T1027 is a black RV waste outlet adapter with 3 inch male threads and bayonet hooks. Its listing says it rotates for easy connection.

It is simple and priced low. It costs less than the TonGass pieces.

It fits owners who need a rotating outlet adapter. With rv sewer hose bayonet fitting, outlet connection fits it best.

Key dimensions & specs

  • 3 in male thread x bayonet
  • Rotating rigid adapter
  • Black waste outlet piece

Pros

  • Rotates for easy connection
  • 3 inch male threads
  • Simple design

Cons

  • Single piece only
  • Sparse listing details
TonGass 3" Rotating Rigid Bayonet Adapter with Male Thread & Hooks

Best Two-Piece Combo2 of 6

TonGass 3" Rotating Rigid Bayonet Adapter with Male Thread & Hooks on Amazon (opens in a new tab)

TonGass 3" Rotating Rigid Bayonet Adapter with Male Thread & Hooks is the better fit when rotating and termination.

Best for

Rotating and termination

Why it made the shortlist

The TonGass 3 inch rotating rigid bayonet adapter with male thread and hooks is sold as a combo pack with a termination adapter. Its listing says the rotating adapter is a standard 3 inch waste outlet piece.

It fits owners who want rotating and termination parts. Under rv sewer hose bayonet fitting, expect rotating and termination to suit it.

Key dimensions & specs

  • 3 in rotating rigid adapter
  • Termination adapter included
  • Male thread with hooks

Pros

  • Two parts in one pack
  • Rotating for quick connection
  • Termination piece for caps
  • Standard 3 inch outlet fit

Cons

  • Plastic build
TonGass

Best Budget Combo3 of 6

TonGass on Amazon (opens in a new tab)

Choose TonGass for two parts in one pack.

Best for

Combo on a budget

Why it made the shortlist

The TonGass combo pack includes a rotating rigid pipe adapter and a termination adapter. Its listing says the termination adapter has a nub end for a 3 inch twist-on connection.

It costs less than the other TonGass listing. It is aimed at PVC connections.

It fits owners who want the cheaper combo. On rv sewer hose bayonet fitting, combo on a budget is where it fits.

Key dimensions & specs

  • 2-piece pipe adapter pack
  • Rotating rigid adapter
  • Termination adapter

Pros

  • Two parts in one pack
  • Rotating adapter
  • Termination piece

Cons

  • Hose to PVC focus
  • Plastic build
Valterra F02-3108 EZ Coupler Bayonet Fitting

Best Hose Extender4 of 6

Valterra F02-3108 EZ Coupler Bayonet Fitting on Amazon (opens in a new tab)

Valterra F02-3108 EZ Coupler Bayonet Fitting makes the shortlist because self-threaded and secure.

Best for

Extension hoses

Why it made the shortlist

The Valterra F02-3108 EZ Coupler is a red bayonet fitting that creates an extension hose with the F02-3101. Its listing says it is self-threaded and secure.

It fits owners building a custom extension hose. On rv sewer hose bayonet fitting, extension hoses is where it fits.

Key dimensions & specs

  • EZ Coupler bayonet fitting
  • Self-threaded design
  • Pairs with F02-3101

Pros

  • Self-threaded and secure
  • Builds an extension hose
  • Pairs with F02-3101
  • Red for easy spotting

Cons

  • Needs a mating F02-3101
Camco Rhino Flex Cap Bayonet and Elbow Cap

Best Cap Pair5 of 6

Camco Rhino Flex Cap Bayonet and Elbow Cap on Amazon (opens in a new tab)

The strongest case for Camco Rhino Flex Cap Bayonet and Elbow Cap is seals both ends.

Best for

Hose storage

Why it made the shortlist

The Camco Rhino Flex cap set has one cap for a bayonet fitting and one for an elbow fitting. Its listing says it seals both ends of the hose and works with Revolution, Easy Slip and RhinoFLEX fittings.

It forms an odor-tight seal. It costs less than the adapters.

It fits owners who store the hose after dumping. For rv sewer hose bayonet fitting, it suits hose storage.

Key dimensions & specs

  • Bayonet and elbow caps
  • Seals both hose ends
  • Fits Rhino, Revolution, Easy Slip

Pros

  • Seals both ends
  • Odor-tight storage
  • Fits three Camco styles

Cons

  • Caps only
  • Fits Camco styles only
Camco RV Sewer Hose Storage Cap Set

Best Cheapest Caps6 of 6

Camco RV Sewer Hose Storage Cap Set on Amazon (opens in a new tab)

Camco RV Sewer Hose Storage Cap Set is the better fit when simple storage caps.

Best for

Simple storage caps

Why it made the shortlist

The Camco sewer hose storage cap set includes a lug cap and a bayonet cap. Its listing says it seals both hose ends before storing and works with Rhino, Revolution and Easy Slip fittings.

It is the cheapest item here. It forms an odor-tight connection.

It fits owners who want simple caps. With rv sewer hose bayonet fitting, simple storage caps fits it best.

Key dimensions & specs

  • Lug and bayonet caps
  • Seals both hose ends
  • Fits Rhino, Revolution, Easy Slip

Pros

  • Seals both ends
  • Odor-tight storage
  • Fits three Camco styles

Cons

  • Caps only
  • Fits Camco styles only

How We Built This Shortlist

Each pick was assessed across 4 criteria weighted for real-world use.

Fitting role
We sorted adapters, couplers and caps.
Thread type
We compared male thread and bayonet statements.
Brand fit
We noted Camco style compatibility.
Pack contents
We counted parts in each pack.

What Matters Before You Choose an RV Sewer Hose Bayonet Fitting

Key buying criteria so you get the right fit the first time.

  1. Thread and bayonet match

    A male thread must meet a female thread. A bayonet must meet lugs. Read the thread type.

  2. Rotation

    A rotating piece eases alignment. Look for rotates language. On rv sewer hose bayonet fitting, confirm rotation directly.

  3. Cap style

    Bayonet caps differ from lug caps. Check which ends you have. In rv sewer hose bayonet fitting, note cap style first.

  4. Brand compatibility

    Some caps fit Camco styles only. Match your fitting brand. Across rv sewer hose bayonet fitting, read brand compatibility closely.

  5. Pack count

    Combos give two parts. Count what you need. On rv sewer hose bayonet fitting, confirm pack count directly.

  6. Material

    Plastic parts crack in cold. Check material. Across rv sewer hose bayonet fitting, read material closely.

Match an RV Sewer Hose Bayonet Fitting to Your RV

By Role

Your situationRecommended pickWhy
Rotating outlet adapterValterra T1027Rotating rigid piece
Rotating plus terminationTonGass Hooks AdapterTwo parts
Budget comboTonGass PVC ComboLower price
Hose extensionValterra EZ CouplerBuilds extensions
Store the hoseCamco Bayonet and Elbow CapsCap pair

Scroll sideways to see every column.

By Budget

BudgetRecommended pick
$0 to $10Camco Storage Caps or Camco Bayonet and Elbow Caps
$10 to $20Valterra T1027 or TonGass PVC Combo
$20 to $30Valterra EZ Coupler or TonGass Hooks Adapter

Adapter vs Cap

Adapters
Valterra T1027, TonGass Hooks Adapter and TonGass PVC Combo connect parts.
Caps
Camco Bayonet and Elbow Caps and Camco Storage Caps seal hose ends.

Most owners should pick Valterra T1027 for an outlet and Camco Storage Caps for storage.

By Budget

PickRecommended pick
Under $5Camco Storage Caps
$9 to $13Camco Bayonet and Elbow Caps or Valterra T1027
$16 to $24TonGass PVC Combo, Valterra EZ Coupler or TonGass Hooks Adapter

For Hose Storage Specifically

Look for
Caps for both ends of the hose.
In this comparison
Camco Bayonet and Elbow Caps seal both ends.

When to Spend More

Spend more if
Spend more on TonGass Hooks Adapter for a combo.
Save if
Save with Camco Storage Caps.

Before You Bring One Home

Are all bayonet fittings the same?

No. Thread and lug styles differ.

Is a combo worth it?

It saves a second purchase. In rv sewer hose bayonet fitting, read the page closely.

What mistake do owners make?

Mixing brands. In rv sewer hose bayonet fitting, read the page closely.

How do I fit a bayonet?

Align the lugs and twist. Shopping rv sewer hose bayonet fitting, confirm before ordering.

How do I maintain it?

Rinse and check seals. On rv sewer hose bayonet fitting, the exact model matters.

Bottom Line

Best overall: Valterra T1027 Rotating Rigid Sewer Pipe Bayonet Adapter with 3" Male Thread x Bayonet Hooks — best rotating adapter pick in this roundup. See the full verdicts above for every pick, with pros, cons and who each one suits.

Browse all rv sewer hose bayonet fitting on Amazon — Prime-eligible options with current pricing.