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Worcester Bosch Heat Exchanger Return Pipe 8716118174

Worcester Bosch

Worcester Bosch Heat Exchanger Return Pipe 8716118174

Worcester Bosch 8716118174 heat exchanger return pipe for Greenstar Highflow 440CDi and 550CDi ErP boilers, listed under part type hoses and pipes.

At a glance

  • Part type: Hoses and pipes
  • Appliance family: Greenstar Highflow CDi ErP
  • Also known as 2244965
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
8716118174
Showing prices

£50.57

£42.14 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 8716118174 is a heat exchanger return pipe supplied by Worcester Bosch for its Greenstar Highflow CDi ErP range. It sits within the boiler's internal pipework, carrying water back towards the heat exchanger as part of the primary circuit. The part is catalogued under the hoses and pipes category and is listed against the Greenstar Highflow 440CDi ErP and 550CDi ErP models in both LPG and natural gas variants.

Signs this part needs replacing

  • Water weeping or visible damp around the pipe run or its joints
  • Corrosion, pitting or surface staining on the pipe wall
  • Scale or debris build-up restricting flow through the return path
  • Boiler losing pressure repeatedly with no obvious external leak
  • Kettling or unusual noise from the heat exchanger area during operation

Before you order

  • Check the GC number on the appliance data badge against the list above before ordering
  • Confirm the part number 8716118174 against the pipe currently fitted to the boiler
  • Inspect any seals or gaskets at the pipe connections and replace them if they show signs of hardening or damage
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.

Not sure which part?

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