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.

Which models this fits

  • 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. Thetford still lists 70400 on its current parts list.

Check this before you order

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

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.

Where our information comes from

We work from the manufacturer’s own documents. We have not installed this part and we do not test parts in a shop.

Last checked 2026-08-29.