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Vaillant Wiring Harness Supply Inverter 0020192801

Vaillant

Vaillant Wiring Harness Supply Inverter 0020192801

Vaillant wiring harness for the supply inverter, part number 0020192801, used on Arotherm VWL 55/2 A 230V heat pumps.

At a glance

  • Part type: wiring harness, supply inverter
  • Appliance family: Arotherm air source heat pump
  • Also known as 1386594
Manufacturer part no.
0020192801
Showing prices

£85.21

£71.01 ex. VAT · VAT at 20%

Available to order · 7 working days
Available to order · 7 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 Vaillant 0020192801 is a wiring harness for the supply inverter fitted to Vaillant Arotherm air source heat pumps. It carries the electrical connections between the inverter and the appliance's supply circuit. The harness is a service part for the VWL 55/2 A 230V model.

Signs this part needs replacing

  • The heat pump fails to start or the inverter does not power up
  • Intermittent faults or intermittent shutdowns traced to the inverter supply circuit
  • Visible damage to the harness, such as chafed, cracked or heat-affected insulation
  • Loose, corroded or discoloured connector terminals at the harness ends
  • Continuity faults or open circuits found when testing the harness

Before you order

  • Confirm the appliance model is VWL 55/2 A 230V
  • Check the existing harness part number against 0020192801
  • Inspect the inverter connectors for damage before fitting a replacement harness
  • Isolate the electrical supply and follow the manufacturer's instructions for the appliance

Not sure which part?

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