When it says the height is 14 inches, does that mean the inside or outside of the tub?A.
The Kohler K-837 overall outside measurement of the tub height is 14"
What is the minimum spout length for tub spout?A.
The Kohler measures 8.5" from the edge of the tub to the center of the drain. A 5-6" spout would work fine.
Which drain is recommended?A.
Kohler recommends only using a Kohler drain such as the K-7214 for the Kohler K-837.
Does this installation require a ledge at the alcove wall?A.
The Kohler K-837 will require a wall on each side.