Thetford parts reference
Thetford 619044
Plug-Safety Valve Extension
619044 is the Thetford part number for the plug-safety valve extension. It is printed in Thetford’s own parts documentation, which we hold a copy of and link below.
Thetford says to use 638094 instead
Thetford marks this number with “USE 638094” on its own parts list, which is the manufacturer telling you 638094 is what to order now. That instruction comes from the document, not from us, and not from what sellers happen to call the part.
Current number: 638094
Which parts lists carry this number
It appears on the parts list for the N300 / N400.
Where this comes from
- Document
- PL_N300N400_619128_20221104.pdf
- Published by
- Thetford
- Retrieved
- 2026-08-28
- File checksum (SHA-1)
384e5dea87440c4310a5d332983ce86412ae75c5
What we have not checked
We can show you that 619044 is a real Thetford number, what Thetford calls it, and which parts lists carry it. We have not verified that it fits your camper. That depends on your model year, build date and what is actually installed, and we do not publish a fitment claim until we can show it in the manufacturer’s own document.
Current marketplace inventory
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