Main
Main Printed Circuit Board 7679747
Printed circuit board (PCB LMU 34) for Main System 24 ECO and ECO Elite System boilers.
At a glance
- Part type: printed circuit board (PCB)
- Also known as 1162085
£193.94
£161.62 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 7679747 is a printed circuit board (PCB LMU 34) used in Main System 24 ECO and ECO Elite System boilers. It carries the boiler's control and sequencing electronics, handling ignition, fan and pump control along with the safety monitoring that governs normal operation. It is supplied as the board only.
Signs this part needs replacing
- Boiler fails to fire or repeatedly locks out
- No display or no response from the boiler controls
- Ignition, fan or pump sequence does not start
- Intermittent faults or error codes that return after a reset
- Visible scorching, water staining or component damage on the board
Before you order
- Confirm your boiler model and GC number against the fit list above
- On ECO Elite System 24 ErP, check the serial number suffix (AC, BC, CC or DC)
- Check the part number printed on the existing board matches 7679747
- Isolate the boiler and confirm the fault lies with the board before ordering
Compliance
| GC number | H65-838 |
|---|---|
| Alternative numbers | 1162085 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| MAIN MAIN 24 ECO ELITE SYSTEM | — | — | — | |
| MAIN MAIN 24 ECO SYSTEM | — | — | — | |
| MAIN MAIN ECO ELITE 24 SYSTEM ErP | — | — | — | |
| MAIN MAIN ECO ELITE SYSTEM 24 | 41-467-21 | 41-467-21 | — | — |
| 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 24 ErP (SERIAL NO. ENDING DC) | 41-467-28 | 41-467-28 | — | — |
| MAIN MAIN SYSTEM ECO 24 | 41-467-11 | 41-467-11 | — | — |
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 ECO ELITE SYSTEM 24 (GC 41-467-21)
manualmanualMAIN appliance manual — MAIN ECO ELITE SYSTEM 24 ErP (SERIAL NO ENDING AC, BC OR CC) (GC 41-467-28), MAIN ECO ELITE SYSTEM 24 ErP (SERIAL NO. ENDING DC) (GC 41-467-28)
manualmanualMAIN appliance manual — MAIN SYSTEM ECO 24 (GC 41-467-11)
manualNo technical questions yet for this part.
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