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Worcester Bosch Isolation Valve Connection Set 87199283970

Worcester Bosch

Worcester Bosch Isolation Valve Connection Set 87199283970

Worcester Bosch 87199283970 isolation valve connection set for Greenstar Highflow 440 models, letting the water supply be isolated at the appliance.

At a glance

  • Part type: Isolation valves
  • Also known as 1020217
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
87199283970
GC number
H96-186
Showing prices

£55.44

£46.20 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 87199283970 connection set is an isolation valve assembly for Greenstar Highflow 440 appliances. It provides the local shut-off point on the appliance pipework, allowing an engineer to isolate the water supply before carrying out service or repair work. The part is listed by Worcester Bosch under the part type isolation valves and is supplied for the Greenstar Highflow range.

Signs this part needs replacing

  • Water weeping or dripping from the valve body or around the spindle
  • The spindle is stiff, seized or will not turn, so the appliance cannot be isolated
  • Scale or corrosion around the connection restricting flow
  • Damp staining or mineral deposits on the pipework below the valve
  • Difficulty shutting the supply off cleanly during a service

Before you order

  • Check the appliance model and GC number against the compatibility list above before ordering.
  • The alternative number 1020217 may be quoted in place of 87199283970.
  • 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.