
Main
Main Wiring High Voltage System 7658708
High voltage wiring assembly for the Grundfos UPM3 pump on Main Eco Elite System ErP boilers.
£54.00
£45.00 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 Main 7658708 is a high voltage wiring assembly for the system pump circuit on Main Eco Elite System ErP boilers. It connects the Grundfos UPM3 pump to the boiler's electrical supply and control wiring. The part is supplied by Main for use on the Eco Elite System range.
Signs this part needs replacing
- The pump does not run when the boiler is powered and calling for heat
- Boiler locks out or fails to fire, with pump-related fault indication
- Pump operation is intermittent or cuts in and out
- Visible damage, scorching or discolouration at the wiring or connector
- Loose or corroded connections at the pump plug
Before you order
- Confirm your boiler model against the fitment list above
- Check the serial number suffix where applicable, as fitment varies by production run
- Verify the pump fitted to the appliance is a Grundfos UPM3
- Inspect the existing wiring and connector for damage before ordering
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| MAIN MAIN ECO ELITE 24 SYSTEM ErP | — | — | — | |
| MAIN MAIN ECO ELITE 28 SYSTEM ErP | — | — | — | |
| MAIN MAIN ECO ELITE SYSTEM 24 ErP (SERIAL NO ENDING AC, BC OR CC) | 41-467-28 | 41-467-28 | — | — |
| MAIN MAIN ECO ELITE SYSTEM 28 ErP (SERIAL NO ENDING AC, BC OR CC) | 41-467-29 | 41-467-29 | — | — |
Documents & drawings
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