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Vaillant Sensor 108625

Vaillant

Vaillant Sensor 108625

Sensor for Vaillant Mag CAR 11-2/0 and 14-2/0 water heaters, including R1 variants.

At a glance

  • Appliance family: Mag CAR water heaters
  • Also known as 1387170
Manufacturer part no.
108625
Showing prices

£9.67

£8.06 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 108625 is a sensor used in the Mag CAR range of Vaillant water heaters. It monitors an operating condition within the appliance and passes that signal to the control circuit. It is a service component intended for fitment to the models listed below.

Signs this part needs replacing

  • The appliance fails to fire or repeatedly locks out on a demand for heat.
  • Operation is intermittent, with the appliance cutting out part way through a cycle.
  • A fault code relating to the sensor circuit is shown on the appliance.
  • The appliance responds erratically to demand, or control of the relevant function is lost.
  • The sensor or its lead shows visible damage, corrosion or a broken connection.

Before you order

  • Confirm the appliance model and variant, as the R1 and non-R1 versions are listed separately.
  • Check the part number on the existing sensor against 108625 before ordering.
  • Read the model and serial plate on the appliance to confirm it matches one of the listed fits.
  • Inspect the sensor lead and connector for damage, as a poor connection can mimic a failed sensor.

Not sure which part?

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