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Worcester Bosch Pressure Switch 8738649946

Worcester Bosch

Worcester Bosch Pressure Switch 8738649946

Worcester Bosch pressure switch, part 8738649946, type GW50 A5AGG3, with a 5–50 mbar operating range.

At a glance

  • Also known as 2249556
Manufacturer part no.
8738649946
Showing prices

£104.50

£87.08 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 Worcester Bosch 8738649946 is a pressure switch carrying the GW50 A5AGG3 type designation, with an operating range of 5–50 mbar. It is a service component for Worcester Bosch heating appliances, used within the pressure-sensing circuit to respond to changes in pressure and signal the control system.

Before you order

  • Check the part number 8738649946 against the existing switch or the appliance parts list.
  • Confirm the GW50 A5AGG3 type designation matches the component being replaced.
  • Verify that the 5–50 mbar operating range is correct for the application.

Not sure which part?

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