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Worcester Bosch Inlet Valve Bottom 87186804500

Worcester Bosch

Worcester Bosch Inlet Valve Bottom 87186804500

Worcester Bosch bottom inlet valve for Greenstar Heatslave II appliances, part 87186804500, alternative number 1022571.

At a glance

  • Part type: adaptors and connectors
  • Also known as 1022571
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
87186804500
GC number
H71-427
Showing prices

£15.29

£12.74 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 87186804500 is a bottom inlet valve assembly for Greenstar Heatslave II appliances. It sits on the inlet side of the unit and regulates the water entering the boiler, forming part of the fill and cold water inlet arrangement. Worcester Bosch lists it under the adaptors and connectors group and classifies it as an inlet valve within the valves general and assembly spare part category.

Signs this part needs replacing

  • Water weeping or dripping from the bottom inlet connection
  • Scale or corrosion building up around the inlet body
  • Reduced or erratic water flow into the appliance
  • The valve failing to seat or shut off correctly
  • Visible cracking or deformation of the inlet housing

Before you order

  • Check the GC number on the appliance data badge against the compatibility list before ordering.
  • Confirm the existing component number and the alternative number 1022571 match the part being replaced.
  • Inspect the seal or washer at the inlet joint and renew it if it is compressed or damaged.
  • 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.