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Sime 14 Pole Lumberg Cable Connector CN5 6299973

Sime

Sime 14 Pole Lumberg Cable Connector CN5 6299973

14-pole Lumberg cable connector CN5 for Sime gas boilers, used to link electrical components within the appliance.

At a glance

  • Also known as 2042718
Manufacturer part no.
6299973
Showing prices

£32.33

£26.94 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Sime 14-pole Lumberg cable connector CN5 is an electrical connector for Sime gas boilers. It connects wiring and electrical components within the appliance. The part is identified by Sime part number 6299973.

Signs this part needs replacing

  • Intermittent electrical faults or unstable boiler operation
  • Connector housing cracked, loose or damaged
  • Discolouration, burning or overheating at the plug
  • Poor contact causing connected components to fail
  • Repeated fault codes linked to wiring or connections

Before you order

  • Check your boiler model against the compatibility list above.
  • Confirm the existing connector is a 14-pole Lumberg type and matches the CN5/CN6 reference.
  • Inspect the connector and wiring for damage before fitting.
  • Have the Sime part number 6299973 to hand when ordering.

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.