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Biasi Expansion Vessel Pipe BI1002109

Biasi

Biasi Expansion Vessel Pipe BI1002109

Expansion vessel pipe for Biasi gas boilers, carrying water between the vessel and the heating circuit.

At a glance

  • Also known as 1650041
Manufacturer part no.
BI1002109
GC number
E01-200
Showing prices

£20.30

£16.92 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 Biasi BI1002109 is an expansion vessel pipe used on a range of Biasi gas boilers. It connects the expansion vessel to the boiler's heating circuit, allowing water to move between the two as system pressure changes. The pipe is a formed metal component specific to the appliance family it serves.

Signs this part needs replacing

  • Visible water weeping or staining around the pipe or its connections
  • Corrosion, pitting or scale build-up on the pipe surface
  • Boiler losing pressure repeatedly with no other obvious cause
  • Damp patches or drips inside the casing below the expansion vessel
  • Pipe deformed, kinked or cracked at a joint or bend

Before you order

  • Confirm your boiler model against the fitment list above
  • Check the pipe connections and routing on your appliance match the part
  • Verify the manufacturer part number BI1002109 before ordering
  • Inspect the expansion vessel itself for charge loss, as pressure faults can originate there

Not sure which part?

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