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A jet pump loses performance in a few predictable places: the impeller and diffuser wear, the shaft seal weeps, the injector or nozzle fouls, and the pressure switch drifts. Each of those is a part on this page rather than a reason to replace the pump.
Parts are listed against the pump they fit: JP shallow well, JPC convertible, or both. Check the model on the pump nameplate before ordering — JP and JPC share some parts but not all of them.
| Part | Part No. | Fits |
|---|---|---|
| Global Pressure Sensor 40/60 psi | PRSW4060 | Jet Pump Accessory |
| Injector Kit for JPC-050-C | 305446946 | JPC Convertible Jet |
| Injector Kit for JPC-075-C/JPC-100-C | 305446947 | JPC Convertible Jet |
| Casing Kit, SW Jet | 305446934 | JP Shallow Well Jet |
| Overhaul Kit, 1/2HP Jet | 305446941 | JP and JPC |
| Overhaul Kit, 3/4 and 1HP Jet | 305446942 | JP and JPC |
| Nozzle/Venturi Kit 1/2HP SWJ | 305446937 | JP Shallow Well Jet |
| Nozzle/Venturi Kit 3/4HP SWJ | 305446939 | JP Shallow Well Jet |
| Nozzle/Venturi Kit 1HP SWJ | 305446940 | JP Shallow Well Jet |
| Seal Plate Kit, Jet | 305446943 | JP and JPC |
| Nozzle/Venturi Kit, 1/2HP | 305446948 | JPC Convertible Jet |
| Nozzle/Venturi Kit, 3/4, 1HP | 305446949 | JPC Convertible Jet |
| Control Valve Kit, Convertible Jet | 305446951 | JPC Convertible Jet |
| Casing Kit, Convertible Jet | 305446950 | JPC Convertible Jet |
Source: Franklin Electric price list effective 15 Jun 2026.
Data sheets available on request — email sales@watermainsupply.com.
Product videos are being added to this listing. For a walkthrough in the meantime, email sales@watermainsupply.com.
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