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Biasi Expansion Vessel Connection Pipe BI1172109

Biasi

Biasi Expansion Vessel Connection Pipe BI1172109

Biasi expansion vessel connection pipe, part BI1172109, for appliances up to serial number N024590604.

At a glance

  • Part type: expansion vessel connection pipe
  • Also known as 1650265
Manufacturer part no.
BI1172109
GC number
E83-119
Showing prices

£15.42

£12.85 ex. VAT · VAT at 20%

Available to order · 1 working day
Available to order · 1 working day
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 BI1172109 is a connection pipe for the expansion vessel on Biasi gas boilers. It carries water between the expansion vessel and the boiler's hydraulic circuit. This version is specified for appliances up to serial number N024590604.

Signs this part needs replacing

  • Water weeping or dripping at the expansion vessel connection
  • Corrosion, pitting or scale build-up on the pipe
  • Pressure loss on the heating circuit traced to the vessel connection
  • Staining or residue around the pipe joint
  • Pipe deformation or a damaged sealing face at the union

Before you order

  • Confirm the boiler serial number is up to N024590604, as later builds use a different connection pipe
  • Check the model against the fit list above
  • Inspect the vessel connection and union for the source of the leak before ordering
  • Have the appliance isolated and drained before fitting

Not sure which part?

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