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Siemens Photocell QRB1-A-A050B70A

Siemens

Siemens Photocell QRB1-A-A050B70A

Siemens QRB1-A-A050B70A photocell used in boiler burner control for monitoring flame presence.

Manufacturer part no.
C31109B
Showing prices

£40.78

£33.98 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 Siemens photocell QRB1-A-A050B70A is a light-sensing component used in boiler burner control, where it monitors the presence of a flame. It is listed under the Oil Spares brand within the boiler category. The part is identified by the Siemens reference QRB1-A-A050B70A.

Before you order

  • Confirm the marking on the removed photocell matches QRB1-A-A050B70A.
  • Check the burner or boiler manufacturer's documentation for the photocell type it specifies.
  • Inspect the photocell holder and its cabling on the burner before fitting a replacement.

Not sure which part?

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