Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Vaillant Resistor, Compressor 0020176079

Vaillant

Vaillant Resistor, Compressor 0020176079

Vaillant compressor resistor, part number 0020176079, for Arotherm and VWL heat pump outdoor units.

At a glance

  • Part type: resistor, compressor
  • Also known as 1386388
Manufacturer part no.
0020176079
Showing prices

£24.35

£20.29 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

This is a compressor resistor supplied by Vaillant under part number 0020176079. It forms part of the compressor circuit on Vaillant Arotherm and VWL air-to-water heat pump outdoor units. The resistor sits in the compressor control or start circuit, where it is used to manage current during operation.

Signs this part needs replacing

  • Compressor fails to start or trips shortly after start-up
  • Visible discolouration, charring or cracking on the resistor body
  • Open-circuit or out-of-tolerance resistance reading when tested
  • Repeated compressor-related fault codes on the unit
  • Localised overheating or burning smell around the compressor control area

Before you order

  • Confirm the model number on the appliance data plate against the fit list above
  • Check the existing resistor for the part number 0020176079 or matching markings
  • Inspect the compressor circuit for any other damage before fitting a replacement
  • Isolate the power supply and discharge any stored energy before working on the unit

Not sure which part?

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