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Vaillant Thermostat Generator 0020236130

Vaillant

Vaillant Thermostat Generator 0020236130

Thermostat generator 0020236130 for Vaillant VIH and Vantage VIH unvented cylinder models.

At a glance

  • Also known as 1388322
Manufacturer part no.
0020236130
Showing prices

£86.11

£71.76 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 thermostat generator is a Vaillant component supplied under part number 0020236130. It forms part of the control and safety circuit on Vaillant VIH and Vantage VIH unvented cylinder appliances, where it provides the signal used by the appliance's control system. It is a service part intended for replacement when the existing generator fails to hold or produce its output.

Signs this part needs replacing

  • The appliance fails to hold its flame or heat demand after ignition
  • Repeated lockouts or shutdowns during normal operation
  • Intermittent operation that clears when the appliance is left to cool
  • No output signal measured at the generator when the appliance is running
  • The generator shows signs of heat damage, corrosion or a degraded connection

Before you order

  • Confirm the appliance model against the fitment list above
  • Check the part number on the existing component matches 0020236130
  • Verify the cylinder model and variant from the appliance data plate
  • Isolate the appliance and follow the manufacturer's service instructions before removal

Not sure which part?

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