🔧 What this part is
Marquis Spa Waterfall Valve, part number 350-6417. A diverter or waterfall valve sends water between jet groups or features.
✅ Check before you order
- The number on the old part should read 350-6417, 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 Waterfall Valve Waterfall Valve Insert Black
You will also need these gaskets
- 1 x 805-0127SD
and
- 2 x 805-0114



