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Caleffi HIU Electronic Controller SATKF0204

Caleffi HIU

Caleffi HIU Electronic Controller SATKF0204

Electronic controller for the Caleffi HIU SATK20403, supplied under part number SATKF0204.

At a glance

  • Also known as 4260158
Manufacturer part no.
SATKF0204
Showing prices

£1,634.60

£1,362.17 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 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 SATKF0204 is an electronic controller manufactured for Caleffi HIU products and specified for use with the SATK20403. It manages the control functions of the unit, handling the electronic regulation that the appliance relies on to run correctly. It is a control component rather than a mechanical spare, so fault diagnosis should always start at the appliance's own error reporting.

Signs this part needs replacing

  • The appliance shows no response to heating or hot water demand
  • Error or fault codes appear that point to the control electronics
  • The controller is unresponsive, with buttons or settings having no effect
  • Operation is intermittent, cutting in and out without a clear mechanical cause
  • The unit fails to complete its start-up or ignition sequence

Before you order

  • Confirm the model number on the appliance is SATK20403
  • Check the part number on the existing controller against SATKF0204
  • Inspect the wiring connections and plug arrangement on the existing unit before removal
  • Verify the fault lies with the controller and not with a sensor, pump or other linked component

Not sure which part?

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