Potterton
Potterton DHW Primary Pump 5139803
Potterton DHW primary pump, part 5139803, for Potterton Commercial IHE boiler appliances.
£629.15
£524.29 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The PUMP - DHW PRIMARY is a Potterton primary pump for the domestic hot water circuit of Potterton Commercial boilers. Manufactured under the Potterton Commercial brand, it circulates primary water through the DHW side of the appliance. It is supplied as part number 5139803.
Signs this part needs replacing
- The DHW primary circuit runs hot but the pump body stays cool, indicating the pump is not turning.
- Noisy operation from the pump area, such as grinding, rumbling or rattling under normal running.
- Water weeping from the pump housing, seal faces or connections.
- Repeated overheat or lockout faults on the DHW side of the appliance.
- Pump runs intermittently or fails to start when there is a call for hot water.
Before you order
- Confirm the appliance is a Potterton Commercial IHE 100/300 or IHE 150/300.
- Check the part number on the existing pump or in the appliance documentation matches 5139803.
- Confirm the fault lies with the pump rather than the DHW circuit controls, sensors or wiring.
- Isolate the appliance and drain down as required before removing the pump.
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL IHE 100/300 | — | — | — | |
| POTTERTON COMMERCIAL IHE 150/300 | — | — | — | |
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No technical questions yet for this part.
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