Major Repair Kit includes; all components of Minor Repair Kit (gaskets, washers & Viton shaft seals, v-belts, exhaust Valves & springs), plus Vanes (cast iron or phenolic) for major overhaul. Used on Pump Models 1373
General product classifications
| Brand | Welch |
| Family | DuoSeal |
| Pump models | 1373 |
| Category | Repair Kits |
| Subcategory | Primary Kit |
| Country of origin | US |
| Manual page | WELCH-105 |
| PART NUMBER | DESCRIPTION | QUANTITY |
|---|---|---|
| 4401200 | Steel Ball | 1 |
| 411779 | Upper Exhaust Valve | 4 |
| 411768 | Lower Exhaust Valve | 4 |
| 411401D-01 | Shaft Seal Kit - 0.750" | 1 |
| 411748 | Vane, 1st Stage - Phenolic | 2 |
| 410234 | Gasket | 1 |
| 410403 | Case Gasket, Foam Rubber | 1 |
| 410696 | Spring Holder | 2 |
| 410710 | V-Belt | 1 |
| 411266 | Washer, Tension | 2 |
| 411267 | Washer, Rubber | 2 |
| 411304 | Spring | 4 |
