
Potterton
Potterton Wiring Harness 7660973
Wiring harness for pump pre-dispense, PWM and fan connections on Potterton Commercial Sirius 2 and Sirius 3 boilers.
£16.80
£14.00 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 Potterton wiring harness, part number 7660973, is the loom that links the pump pre-dispense, PWM and fan circuits on Potterton Commercial appliances. It is used across the Sirius 2 and Sirius 3 commercial boiler families. The harness carries the control and feedback wiring for these components within the boiler.
Signs this part needs replacing
- Pump or fan runs intermittently or not at all despite a known-good component
- Fault codes relating to pump, PWM signal or fan operation
- Visible chafing, scorching, brittle or cracked insulation on the loom
- Loose, corroded or heat-damaged plug connectors
- Fan speed control unstable or unresponsive
Before you order
- Confirm the boiler model and range from the appliance data plate
- Check the existing harness part number against 7660973
- Inspect the connector ends and routing to confirm the fault lies with the harness
- Verify the appliance is isolated from the electrical supply before fitting
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH110 (FROM APRIL 2016) | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH50 (FROM APRIL 2016) | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH60 (FROM APRIL 2016) | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH70 (FROM APRIL 2016) | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH90 (FROM APRIL 2016) | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 WH110 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 WH50 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 WH60 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 WH70 | — | — | — |
Showing 10 of 11 compatible appliances.
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.
POTTERTON COMMERCIAL appliance manual — SIRIUS 2 WH110 (FROM APRIL 2016), SIRIUS 2 WH50 (FROM APRIL 2016), SIRIUS 2 WH60 (FROM APRIL 2016), SIRIUS 2 WH70 (FROM APRIL 2016), SIRIUS 2 WH90 (FROM APRIL 2016)
manualmanualPOTTERTON COMMERCIAL appliance manual — SIRIUS 3 WH110, SIRIUS 3 WH90
manualmanualPOTTERTON COMMERCIAL appliance manual — SIRIUS 3 WH50, SIRIUS 3 WH60, SIRIUS 3 WH70
manualNo technical questions yet for this part.
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