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Potterton Wiring Harness 684125

Potterton

Potterton Wiring Harness 684125

Wiring harness for Potterton Commercial Paramount boilers, compatible with 30 kW and 40 kW models.

Manufacturer part no.
684125
Showing prices

£152.40

£127.00 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

WIRING HARNESS is a Potterton Commercial wiring harness for Potterton Commercial Paramount gas boilers. It carries electrical connections within the appliance and is specified for 30 kW and 40 kW models. Part number 684125.

Signs this part needs replacing

  • Intermittent electrical faults or boiler shutdowns
  • Damaged, loose or corroded harness connectors
  • Cracked or chafed insulation on harness wiring
  • Signs of overheating, burning or arcing at connector plugs
  • Faults traced to wiring continuity within the boiler

Before you order

  • Confirm the boiler model and kW rating match the listed Paramount Three, FOUR or FIVE 30 kW or 40 kW fitments.
  • Check the existing harness part number and connector layout before ordering.
  • Isolate the boiler from the electrical supply before inspection or replacement.
  • Verify that the fault is within the wiring harness and not another electrical component.

Not sure which part?

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