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Description
Weinman Replacement Part — Impeller
The Weinman 4378-1-B12 is a replacement impeller, 8.687". The primary rotating component that transfers energy to the fluid — diameter and design determine flow rate and head output.
Part Specifications
| Part Number | 4378-1-B12 |
| Part Type | Impeller |
| Dimensions | 8.687" |
| Brand | Weinman |
⚠ Confirm Compatibility Before OrderingAlways verify this part is correct for your specific pump model. Contact PumpStop with your pump model number and we'll confirm.
- Supplier Part Number
- 4378-1-B12
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