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Worcester Bosch Connector 87377030440

Worcester Bosch

Worcester Bosch Connector 87377030440

Worcester Bosch 87377030440 connector for Greenstar CDi appliances, part of the adaptors and connectors group.

At a glance

  • Part type: Adaptors and connectors
  • Appliance family: Greenstar CDi
  • Also known as 1031241
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
87377030440
GC number
J21-105
Showing prices

£36.34

£30.28 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 Worcester Bosch 87377030440 is a connector from the adaptors and connectors group used on Worcester Bosch Greenstar CDi appliances. It sits within the internal hydraulic and pipework assembly, where it joins sections of the appliance circuit. The part is supplied by Worcester Bosch and is listed against the Greenstar CDi Conventional and ErP Classic Regular families.

Signs this part needs replacing

  • Weeping or dripping at the connector joint when the appliance is running
  • Water staining, scale or corrosion around the fitting
  • A joint that will not seal after tightening, or a seized connection
  • Pressure loss on the heating or hot water circuit traced back to the connector
  • Debris or scale build-up inside the connector restricting flow

Before you order

  • Check the appliance model and GC number against the compatibility list before ordering.
  • Confirm the part number 87377030440 matches the connector being replaced.
  • The number 1031241 may also be quoted for this item.
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.

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