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Worcester Bosch Pipe Water/Water Heat Exchanger To Flow Switch 87161082420

Worcester Bosch

Worcester Bosch Pipe Water/Water Heat Exchanger To Flow Switch 87161082420

Pipe assembly connecting the water/water heat exchanger to the flow switch on Worcester Greenstar Heatslave oil boilers.

At a glance

  • Also known as 1015389
Manufacturer part no.
87161082420
Showing prices

£5.82

£4.85 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 pipe assembly connects the water/water heat exchanger to the flow switch on Worcester Bosch Greenstar Heatslave oil boilers. It carries water between the two components as part of the appliance's hot water circuit. The part is supplied by Worcester Bosch under part number 87161082420.

Signs this part needs replacing

  • Visible water weeping or damp staining along the pipe run or at its connections
  • Corrosion, pitting or scale build-up on the pipe surface
  • Flow switch faults traced to restricted or blocked flow through this pipe
  • Joints that will not seal after re-making, indicating deformation or damage
  • Discolouration or heat damage around the pipe ends

Before you order

  • Confirm the appliance model matches one of the listed Greenstar Heatslave variants
  • Check the existing pipe route and connections to verify the part number
  • Inspect the heat exchanger and flow switch connections for damage before fitting
  • Ensure the system is isolated, drained and cool before removal

Not sure which part?

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