Vico/Balboa Ultimax Impeller 1.5hp (model 1212227) is a closed-face replacement part for the Ultimax spa pump wet end. Designed for reliability, it is intended for use with 1.5 hp or larger thru-bolt motors to maintain proper pump performance and flow for spa circulation.
Key specifications: Impeller type — Closed Face; Diameter OD — 3-13/16 in; Vane width — 1/2 in; Eye diameter OD — 2-1/4 in; Eye length — 3/8 in; Impeller width OD — 1 in; Shaft length — 2 in; Shaft diameter OD — 11/16 in; Seal seat diameter OD — 1-5/16 in; Seal seat depth — 5/16 in. Shaft seal is sold separately as PS-201.
Installation notes: due to the shaft length, you may need to remove the water slinger or shorten the impeller shaft to ensure proper mating with the wet end. In some cases, a light seal lubricant helps install the seal onto the shaft when using compatible shaft seals.
| Impeller Type |
Closed Face |
| Impeller Diameter OD |
3-13/16" |
| Vane Width ID |
1/2" |
| Eye Diameter OD |
2-1/4" |
| Eye Length |
3/8" |
| Impeller Width OD |
1" |
| Seal Seat Depth |
5/16" |
| Shaft Length |
2" |
| Shaft Diameter OD |
11/16" |
| Seal Seat Diameter OD |
1-5/16" |
| Manufacturer |
Vico/Balboa |
| Pump Application |
Ultimax |
