Verified Compatibility

Thetford 70400

Nozzle Assembly With Cap

Thetford 70400 is the nozzle assembly with cap for the Sani Con Box Mount and Sani Con Tank Buddy and Sani Con Twist On. The rinse nozzle assembly and its cap. Thetford lists it for Sani Con Box Mount, Sani Con Tank Buddy and Sani Con Twist On. It is item 10 and 4 and 8 depending on the list.

Is it compatible?

Compatible with

  • Sani Con Box Mount
  • Sani Con Tank Buddy
  • Sani Con Twist On

Every model above is named in a manufacturer parts list, cited in full further down this page.

Current eBay listings for Thetford 70400

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Compatible models, and the document that says so

  • Sani Con Box Mount

    Verified against Thetford Parts List, Sani Con Box Mount (Rev. E).

    Item 4 on this parts list.

  • Sani Con Tank Buddy

    Verified against Thetford Parts List, Sani Con Tank Buddy (Rev. D).

    Item 8 on this parts list.

  • Sani Con Twist On

    Verified against Thetford Parts List, Sani Con Twist On (Rev. D).

    Item 10 on this parts list.

How to tell which one you have

Find item 10 or 4 or 8 on your model’s parts diagram — that callout is this part. Check the model on the data plate reads Sani Con Box Mount, Sani Con Tank Buddy or Sani Con Twist On.

Is this part still current?

Yes. 70400 is listed in Thetford Parts List, Sani Con Box Mount, Rev. E, which is the current parts documentation we hold for this model.

Also worth having before you start

  • Disposable nitrile gloves

    General guidance for any waste-contact job, not specific to one manufacturer: wear protective gloves and eye protection when you touch anything that has been in contact with human waste, and disinfect your tools and work surface afterwards. If you do not already have a box in the camper, get one before you start.

These are supplies, not replacement parts. We have not matched them to your model, because they do not need to fit anything.

Check this before you order

  • Confirm your waste transfer system is Sani Con Box Mount, Sani Con Tank Buddy or Sani Con Twist On.
  • Ignore listing titles that claim one part covers several models unless the manufacturer's parts lists agree.

Not the part you are holding?

Search by number, or check how to tell two similar-looking parts apart before you order.

Search by part numberWhy similar parts may not fit

Current marketplace inventory

Listings from eBay

We verified the part above from manufacturer documents. The listings below are current eBay inventory, and eBay sellers set their own titles, prices and shipping.

Checking current eBay inventory…

Camper Replacement Parts is not the seller. Price, shipping, stock and item condition are set by the eBay seller and can change at any time. We may earn a commission if you buy through these links.

Manufacturer
Thetford
OEM part number
70400
Part
Nozzle Assembly With Cap
Compatible models
Sani Con Box Mount; Sani Con Tank Buddy; Sani Con Twist On
Status
Listed in the most recent parts documentation we hold
Primary evidence
Thetford Parts List, Sani Con Box Mount, Rev. E; Thetford Parts List, Sani Con Tank Buddy, Rev. D; Thetford Parts List, Sani Con Twist On, Rev. D
Last checked
2026-08-29

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Where our information comes from

We work from the manufacturer’s own documents. We have not installed this part ourselves, so everything here comes from the documentation rather than from a workshop.

Last checked 2026-08-29.