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Vaillant Condenser 0020175859

Vaillant

Vaillant Condenser 0020175859

Vaillant condenser rated at 11kW, part number 0020175859, for Arotherm VWL 115/2 A 230V air source heat pumps.

At a glance

  • Appliance family: Arotherm VWL 115/2 A 230V
  • Also known as 1386356
Manufacturer part no.
0020175859
Showing prices

£817.13

£680.94 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 0020175859 is a condenser rated at 11kW, used within the refrigerant circuit of the Arotherm air source heat pump range. It transfers heat from the refrigerant into the heating and hot water circuit. The component is specific to the VWL 115/2 A 230V platform.

Signs this part needs replacing

  • Reduced heating output or the unit failing to reach target flow temperature
  • Refrigerant pressure or high-pressure fault codes logged by the appliance
  • Visible oil residue or frost patterns at the condenser indicating a refrigerant leak
  • Repeated short cycling of the compressor
  • Icing that does not clear during normal defrost cycles

Before you order

  • Confirm the appliance model matches one of the fit lines listed above
  • Check the part number on the existing condenser or the manufacturer's parts list for your unit
  • Work on the refrigerant circuit must be carried out by an F-Gas certified engineer
  • Confirm the system is recovered and depressurised before removal

Not sure which part?

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