Main
Main Low Voltage Wiring Harness 5131423
Low voltage wiring harness for Main ECO combi and system boilers, part 5131423.
At a glance
- Part type: low voltage wiring harness
£81.60
£68.00 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 low voltage wiring harness is a Main boiler spare, part number 5131423, used across the Main ECO range of combi and system boilers. It forms part of the boiler's low voltage control wiring, carrying signals between the control board and the components it serves. This listing covers the harness as supplied for the appliance models below.
Signs this part needs replacing
- Boiler fails to fire or locks out intermittently with no repeatable fault pattern
- Fault codes or erratic component behaviour traced to the low voltage control circuit
- Connectors or pins showing corrosion, burning or heat damage
- Insulation along the harness run chafed, cracked or brittle
- Plugs that no longer latch securely onto the board or component terminals
Before you order
- Confirm the boiler model against the fits list before ordering
- On ECO Elite Combi ErP models, check the serial number suffix (AC, DC or EC) to match the correct variant
- Inspect the failed harness and compare connector count and layout with the replacement
- Check the appliance data badge for the exact model and serial number
Compliance
| GC number | H65-718 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| MAIN MAIN 24 ECO SYSTEM | — | — | — | |
| MAIN MAIN 28ECO SYSTEM | — | — | — | |
| MAIN MAIN COMBI ECO 25 | 47-467-01 | 47-467-01 | — | — |
| MAIN MAIN COMBI ECO 30 | 47-467-03 | 47-467-03 | — | — |
| MAIN MAIN ECO 25HE | — | — | — | |
| MAIN MAIN ECO 30HE | — | — | — | |
| MAIN MAIN ECO ELITE 25 COMBI ErP | — | — | — | |
| MAIN MAIN ECO ELITE 30 COMBI ErP | — | — | — | |
| MAIN MAIN ECO ELITE COMBI 25 ErP (SERIAL NO. ENDING AC/CC & BC) | 47-467-12 | 47-467-12 | — | — |
| MAIN MAIN ECO ELITE COMBI 25 ErP (SERIAL NO. ENDING DC) | 47-467-12 | 47-467-12 | — | — |
Showing 10 of 16 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.
MAIN appliance manual — MAIN COMBI ECO 25 (GC 47-467-01), MAIN COMBI ECO 30 (GC 47-467-03)
manualmanualMAIN appliance manual — MAIN ECO ELITE COMBI 25 ErP (SERIAL NO. ENDING AC/CC & BC) (GC 47-467-12), MAIN ECO ELITE COMBI 25 ErP (SERIAL NO. ENDING DC) (GC 47-467-12), MAIN ECO ELITE COMBI 25 ErP (SERIAL NO. ENDING EC) (GC 47-467-12), MAIN ECO ELITE COMBI 30 ErP (SERIAL NO. ENDING AC/CC & BC) (GC 47-467-13), MAIN ECO ELITE COMBI 30 ErP (SERIAL NO. ENDING DC) (GC 47-467-13), MAIN ECO ELITE COMBI 30 ErP (SERIAL NO. ENDING EC) (GC 47-467-13)
manualmanualMAIN appliance manual — MAIN SYSTEM ECO 24 (GC 41-467-11), MAIN SYSTEM ECO 28 (GC 41-467-12)
manualNo technical questions yet for this part.
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