Waterway has discontinued the Snap-in version of the Storm Jet.
To replace the Snap-in jet body you will need to purchase a Threaded version Storm Jet and appropriate jet internal.
The original Snap-in jet internal will not fit the threaded body.
 
Poly Storm Jet Body
Note: Jet body includes flat gasket Hole Size 2-9/16″ = flat gasket. Hole Size 2-11/16″ = “L” / grommet gasket