Worcester Bosch
Worcester Bosch Rectangular Seal 87101031530
At a glance
- Part type: Gaskets, O-rings, seals and washers
- Also known as WB87101031530, 1012325, N9214
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Showing prices
£14.26
£11.88 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 rectangular seal, part 87101031530, is a shaped sealing component used across the manufacturer's CDi, Greenstar and Suprapur boiler ranges. It sits between mating surfaces at a port or housing joint to stop water or flue gas escaping. The rectangular profile is cut to match that specific joint, so it is not a substitute for a standard circular O-ring.
Signs this part needs replacing
- Water weeping or dripping from the joint the seal sits in
- Staining, scale or corrosion around the sealing face
- The seal feels hard, flattened or cracked when inspected
- Repeated pressure loss on the heating circuit
- A faint flue gas smell near the joint, which an engineer should check
Before you order
- Confirm the GC number on the appliance data badge matches one listed in the compatibility table below.
- Cross-check the alternative numbers above against the part being removed.
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Gaskets, Seals & Washers |
|---|---|
| Length | 0.1mm |
| Width | 0.1mm |
| Depth | 0.1mm |
Compliance
| Manufacturer part number (MPN) | 87101031530 |
|---|---|
| GC number | E74-533 |
| Barcode / EAN | 4010009616566 |
| Commodity code | 8484 10 00 00 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | WB87101031530, 1012325, N9214 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER BRITISH GAS 430/I | 41-311-80 | 41-311-80 | — | — |
| WORCESTER BRITISH GAS GREENSTAR 430/I SYSTEM LPG | 41-311-81 | 41-311-81 | — | — |
| WORCESTER BRITISH GAS GREENSTAR 532/I COMBI LPG | 47-406-03 | 47-406-03 | — | — |
| WORCESTER BRITISH GAS GREENSTAR 532/I COMBI NG | 47-406-02 | 47-406-02 | — | — |
| WORCESTER BRITISH GAS GREENSTAR 537/I COMBI LPG | 47-406-05 | 47-406-05 | — | — |
| WORCESTER BRITISH GAS GREENSTAR 537/I COMBI NG | 47-406-04 | 47-406-04 | — | — |
| WORCESTER BRITISH GAS GREENSTAR 542/I COMBI LPG | 47-406-07 | 47-406-07 | — | — |
| WORCESTER BRITISH GAS GREENSTAR 542/I COMBI NG | 47-406-06 | 47-406-06 | — | — |
| WORCESTER BRITISH GAS GREENSTAR CC1-FSN-GB NG 29KW COMBI | 47-108-05 | 47-108-05 | — | — |
| WORCESTER BRITISH GAS GREENSTAR GREENSTAR HE PLUS-FSN- GB28KW | 47-311-56 | 47-311-56 | — | — |
Showing 10 of 306 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
manual
Manual: WORCESTER GREENSTAR 30CDI SYSTEM LPG
manualmanualManual: WORCESTER GREENSTAR FS30 CDI REGULAR
manualmanualManual: WORCESTER GREENSTAR 38CDI CLASSIC COMBI LPG
manualmanualManual: WORCESTER GREENSTAR LIFE GR8300iW 35 S NG
manualmanualManual: WORCESTER GREENSTAR HIGHFLOW 440
manualmanualManual: WORCESTER GREENSTAR R35HE PLUS COMBI
manualmanualManual: WORCESTER CS1 RSF 28KW NG
manualmanualManual: WORCESTER GREENSTAR 30 HE COMBI
manualmanualManual: WORCESTER GREENSTAR 40CDI EMS COMBI LPG
manualmanualManual: WORCESTER BRITISH GAS GREENSTAR ICC2-FSN-GB NAT 37KW COND COM
manualmanualManual: WORCESTER BRITISH GAS 430/I
manualmanualManual: WORCESTER GREENSTAR 30CDI ErP CLASSIC NG
manualmanualManual: WORCESTER BRITISH GAS GREENSTAR 542/I COMBI NG
manualmanualManual: WORCESTER ICS1 RSF 28KW NG
manualmanualManual: WORCESTER GREENSTAR 40CDI CONVENTIONAL NG
manualmanualManual: WORCESTER GREENSTAR FS 30CDi ErP REGULAR NG
manualmanualManual: WORCESTER GREENSTAR 42CDI CLASSIC COMBI NG
manualmanualManual: WORCESTER GREENSTAR 29 HE CONVENTIONAL (JAN 2003)
manualmanualManual: WORCESTER GREENSTAR 30 HE PLUS COMBI
manualmanualManual: WORCESTER GREENSTAR LIFE GR8300iW 40 C NG
manualmanualManual: WORCESTER GREENSTAR R40HE CONVENTIONAL
manualmanualManual: WORCESTER GREENSTAR HIGHFLOW 550CDi ErP LPG (7731600101)
manualmanualManual: WORCESTER GREENSTAR 35CDI ErP CLASSIC SYSTEM LPG
manualmanualManual: WORCESTER GREENSTAR 38CDI ErP CLASSIC NG
manualmanualManual: WORCESTER GREENSTAR R28HE SYSTEM
manualmanualManual: WORCESTER GREENSTAR 28 HE SYSTEM
manualmanualManual: WORCESTER GREENSTAR R30HE COMBI
manualmanualManual: WORCESTER GREENSTAR LIFE GR8300iW 30 R LPG
manualmanualManual: WORCESTER GREENSTAR STYLE GR8700iW 35 CB NG
manualmanualManual: WORCESTER GREENSTAR HIGHFLOW 440CDi ErP NG (7738100589)
manualNo technical questions yet for this part.
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