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Worcester Bosch Insulation Jacket PHE 87186900380

Worcester Bosch

Worcester Bosch Insulation Jacket PHE 87186900380

Insulation jacket for the plate heat exchanger on Worcester Bosch Greenstar Danesmoor and Heatslave II ErP boilers.

At a glance

  • Also known as 2246957
Manufacturer part no.
87186900380
Showing prices

£119.95

£99.96 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 insulation jacket for the plate heat exchanger (PHE), part number 87186900380. It is a casing component that fits around the plate heat exchanger on Worcester Bosch Greenstar Danesmoor and Heatslave II ErP boilers. The jacket insulates the PHE to limit heat loss from the component.

Signs this part needs replacing

  • The jacket is missing from the plate heat exchanger
  • Insulation material is torn, split or crumbling
  • The jacket is damp, saturated or shows signs of water damage
  • Insulation has degraded and no longer sits correctly around the PHE
  • Exposed plate heat exchanger surfaces where the jacket should be fitted

Before you order

  • Check your boiler model against the fit list above
  • Confirm the part number 87186900380 matches the existing jacket or the manufacturer's parts list
  • Check that the jacket is for the plate heat exchanger rather than another casing component

Not sure which part?

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