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Ferroli Expansion Vessel Pipe 3840P590

Ferroli

Ferroli Expansion Vessel Pipe 3840P590

Ferroli expansion vessel pipe for Optimax HE PLUS 31C V1 and V2 boilers.

Manufacturer part no.
3840P590
Showing prices

£51.85

£43.21 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 Ferroli Expansion Vessel Pipe is a pipe component for the Ferroli Optimax HE PLUS 31C boiler family. It connects the expansion vessel within the boiler's water circuit. The part carries the manufacturer reference 3840P590.

Signs this part needs replacing

  • Visible corrosion, pitting or staining on the pipe surface
  • Dampness or water tracking around the pipe unions
  • Loss of system pressure that cannot be traced to other components
  • Water weeping at the pipe connections to the expansion vessel

Before you order

  • Confirm the boiler model is Optimax HE PLUS 31C, checking whether it is V1 or V2
  • Check the existing pipe and unions for damage before ordering
  • Verify the part number 3840P590 against the component being replaced

Not sure which part?

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