Replacement impeller designed specifically for Vico/Balboa Ultimax spa pumps. This closed face design is engineered for 4.0hp applications and integrates seamlessly with Ultimax pump wet ends when paired with a 4.0hp (or higher) thru bolt motor assembly.
Essential maintenance and compatible seal components are available at SpaShopper, including PS-201 shaft seals for 3/4" shafts with Buna material, 201 seal pump kits with silicon construction, front bearing and seal service kits, and premium 6203 motor bearings suitable for most motor configurations.
Technical Specifications:
| Impeller Type | Closed Face |
| Impeller Diameter OD | 4-5/16" |
| Vane Width ID | 3/4" |
| Eye Diameter OD | 2-1/4" |
| Eye Length | 3/8" |
| Impeller Width OD | 1" |
| Seal Seat Depth | Varies by configuration |
Compatible with Vico, Sta-Rite, and Power Right pump systems. Verify measurements before ordering to ensure proper fitment with your existing spa circulation system.