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Biasi Pump Complete BI1842100

Biasi

Biasi Pump Complete BI1842100

Complete Biasi circulating pump for Riva Plus HE ERP boilers, suitable from serial number 019571217 onwards.

At a glance

  • Also known as 1651904
Manufacturer part no.
BI1842100
Showing prices

£335.38

£279.48 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 BI1842100 is a complete circulating pump assembly for Biasi Riva Plus HE ERP boilers. It circulates water around the primary heating circuit, moving heat from the heat exchanger to the radiators and hot water circuit. This version is specified for appliances from serial number 019571217 onwards.

Signs this part needs replacing

  • The boiler fires but radiators stay cold or heat unevenly
  • Grinding, humming or rattling noise from the pump body
  • Water weeping or staining around the pump housing
  • The pump does not run when there is a call for heat
  • The boiler overheats, cycles rapidly or locks out on a circulation fault

Before you order

  • Check the boiler serial number is 019571217 or later
  • Confirm your appliance model against the fit list above
  • Compare the existing pump and its connections with the part number BI1842100 before ordering

Not sure which part?

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