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Vaillant Wiring Harness Sensor 0020038738

Vaillant

Vaillant Wiring Harness Sensor 0020038738

Vaillant sensor wiring harness, part 0020038738, for VWS 63/2, 83/2 and 103/2 230V GB appliances.

At a glance

  • Also known as 1381418
Manufacturer part no.
0020038738
Showing prices

£80.17

£66.81 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 0020038738 is a sensor wiring harness used in the VWS range of appliances. It provides the wiring connection for the sensor circuit within the appliance. This harness is listed by Vaillant under part number 0020038738.

Signs this part needs replacing

  • Intermittent or erratic sensor readings traced to the wiring rather than the sensor itself
  • Sensor-related fault codes that return after the sensor has been changed
  • Visible damage to the harness, such as chafed, cracked or heat-affected insulation
  • Loose, corroded or pushed-back pins in the harness connectors

Before you order

  • Confirm your appliance model against the fit list above
  • Check the connector type and pin count on the existing harness match the part being ordered
  • Inspect the harness routing for the cause of any damage before fitting a replacement
  • Compare the part number marked on the existing harness with 0020038738

Not sure which part?

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