This Roto internal fits handles without ribs inside. If you are wanting to replace a directional with a Roto you must purchase the assembly 55-470-2442

This item may actually not be discontinued by the manufacturer however, Horizon/Optimus is no longer carrying this item.

O-Ring, Balboa Water Group/HydroAir 1" Pump Union, O-49

O-Ring, BWG HydroAir Hydroflow 3-Way Valve, Diverter, O-47

Gemini Plus Pump II, 115v, 1-1/2" With Air Switch. For high flow bath jet systems Supplied with unions The Titan Bath Control is necessary to provide variable speed Low-profile pumps are not available Length = 12-11/16" Width = 5-11/16" Discharge Height = 7-3/4" Overall...

Gemini Plus Pump II, 115v, 1-1/2" With Air Switch. For high flow bath jet systems Supplied with unions The Titan Bath Control is necessary to provide variable speed Low-profile pumps are not available Length = 12-11/16" Width = 5-11/16" Discharge Height = 7-3/4" Overall...