Potterton
Potterton Wiring Harness 7660977
Wiring harness 7660977 for Potterton Commercial Sirius 2 and Sirius 3 WH50, WH60 and WH70 boilers.
£39.60
£33.00 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 wiring harness 7660977 is a Potterton Commercial electrical loom used within the Sirius 2 and Sirius 3 range of commercial boilers. It carries the control and power wiring between the boiler's electrical components, and is supplied as a single harness assembly. This part is specific to the WH50, WH60 and WH70 output variants.
Signs this part needs replacing
- Insulation damage, chafing or exposed conductors on the loom
- Overheating, scorching or discoloured connectors and terminals
- Intermittent electrical faults, lockouts or component drop-outs traced to the loom
- Corroded, loose or brittle plug connections at the harness ends
- Visible breaks in continuity through the harness when tested
Before you order
- Confirm the boiler model and output variant against the fit list
- Check the existing harness part number where it remains legible
- Inspect the connector types and pin counts on the failed harness
- Verify the boiler's installation date where it may affect the correct variant
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| 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 3 WH50 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 WH60 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 WH70 | — | — | — |
Documents & drawings
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