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Vaillant Screw Pump 0020231148

Vaillant

Vaillant Screw Pump 0020231148

Vaillant pump screw, part 0020231148, for securing the circulating pump on compatible Vaillant combi and system boilers.

At a glance

  • Also known as 1388220
Manufacturer part no.
0020231148
Showing prices

£9.42

£7.85 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 screw pump, part number 0020231148, is a fixing screw used to secure the circulating pump on compatible Vaillant combi and system boilers. It is supplied by Vaillant for use across the HOME, Ecofit and Ecotec appliance families. The screw holds the pump assembly correctly seated on its mounting.

Signs this part needs replacing

  • Screw head rounded or chewed, making removal or correct torquing difficult
  • Corrosion or rust visible on the screw head or thread
  • Screw seized in the pump housing
  • Pump assembly sitting loose or vibrating on its mounting
  • Screw lost or missing during a pump service or replacement

Before you order

  • Confirm your boiler model against the fitment list above
  • Check that part number 0020231148 matches the item being replaced
  • Check how many screws are required for the pump on your appliance

Not sure which part?

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