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Worcester Bosch Return Manifold 8737707582

Worcester Bosch

Worcester Bosch Return Manifold 8737707582

Worcester Bosch 8737707582 return manifold for Greenstar 8000+ Style Combi boilers, directing water back through the hydraulic assembly.

At a glance

  • Part type: Hoses and pipes (hydraulics)
  • Also known as 2248319
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
8737707582
Showing prices

£5.44

£4.53 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 8737707582 is a return manifold forming part of the hydraulic assembly inside Greenstar gas boilers. It sits in the return path of the heating circuit, collecting and directing water back through the appliance's hydraulic block. As a Worcester Bosch component it is manufactured to the specification used across the Greenstar 8000+ Style Combi range.

Signs this part needs replacing

  • Water weeping or staining around the manifold body or its connections
  • System pressure dropping and needing frequent topping up
  • Corrosion, scale or debris build-up within the manifold
  • Restricted flow leading to uneven heating or a boiler lockout
  • Unusual noise from the hydraulic section during heating or hot water demand

Before you order

  • Check the GC number on the appliance data badge against the compatibility list before ordering.
  • The alternative number 2248319 may appear on older documentation for the same component.
  • Inspect the seals and gaskets at the manifold connections and renew them if worn.
  • 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.