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Alpha Grundfos UPM2 15-70 Pump 1.033966

Alpha

Alpha Grundfos UPM2 15-70 Pump 1.033966

Circulating pump for the Alpha Commercial PRO TEC PLUS 50 (LPG), referenced as part 1.033966 and built on the Grundfos UPM2 15-70.

At a glance

  • Appliance family: Alpha Commercial PRO TEC PLUS 50 (LPG)
  • Also known as PUMP-GFOS-UPM2-15-70, 1259832
Manufacturer part no.
1.033966
Showing prices

£280.86

£234.05 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 Grundfos UPM2 15-70 is a circulating pump used to move water around the heating circuit of the Alpha Commercial PRO TEC PLUS 50 (LPG). It is listed under Alpha part number 1.033966. The pump provides the flow that carries heat from the appliance to the system and back again.

Signs this part needs replacing

  • The pump is noisy, rumbling or vibrating in normal running.
  • Water is weeping or dripping from the pump body or its connections.
  • The appliance runs but the system does not heat, indicating poor or no circulation.
  • The pump body becomes excessively hot while the system is calling for heat.
  • The appliance locks out on a circulation-related fault.

Before you order

  • Confirm the existing pump is marked Grundfos UPM2 15-70.
  • Check the appliance is an Alpha Commercial PRO TEC PLUS 50 (LPG).
  • Note the Alpha part number 1.033966 for reference when ordering.
  • Compare the electrical connections and port arrangement with the pump being removed.

Not sure which part?

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