Marquis Spa Jet Internal

🔧 What this part is

Marquis Spa Jet Internal, part number 320-6783. The internal is the part of a jet that sits in the spa shell and can be replaced without touching the plumbing behind it.

✅ Check before you order

• The number on the old part should read 320-6783, or the maker’s equivalent.
• Not sure? Send us a photo of the old part and any number on it, and we will tell you whether this is the one.

📌 Also on this listing

Marquis Spa Jet Internal Hk16 Typhoon 4″ Directional

Additional Information

Alternate Part Numbers