Worcester Bosch
Worcester Bosch O-Ring 17.0X3.0 EPDM 87186840440
EPDM O-ring, 17.0 x 3.0, for Worcester Bosch Greenstar 4000 System Gr4700IW boilers.
At a glance
- Also known as 2246595
£23.18
£19.32 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The O-Ring 17.0X3.0 EPDM is a sealing component manufactured by Worcester Bosch. It is a moulded EPDM rubber ring measuring 17.0 x 3.0, used to seal a joint within the appliance's water-carrying circuit. It is listed for use across the Greenstar 4000 System Gr4700IW range.
Signs this part needs replacing
- Visible water weep or drip at the joint the ring seals
- The ring has hardened, flattened or lost its round profile
- Cracking, splitting or surface perishing on the rubber
- Scale build-up or black discolouration on the sealing face
- Damp staining or corrosion around the joint
Before you order
- Confirm the part number 87186840440 against the old component or the appliance's parts list
- Check the boiler model and GC number match one of the listed variants
- Measure the old O-ring before fitting if it has swollen or deformed in service
- Confirm the sealing material is suitable for the point of fitment in the water circuit
Compliance
| Alternative numbers | 2246595 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 12 S LPG | 41-800-08 | 41-800-08 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 12 S NG | 41-800-07 | 41-800-07 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 15 S LPG | 41-800-10 | 41-800-10 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 15 S NG | 41-800-09 | 41-800-09 | — | — |
| WORCESTER GREENSTAR GR4700iW 12 S LPG SYSTEM | 41-800-08 | 41-800-08 | — | — |
| WORCESTER GREENSTAR GR4700iW 12 S NG SYSTEM | 41-800-07 | 41-800-07 | — | — |
| WORCESTER GREENSTAR GR4700iW 15 S LPG SYSTEM | 41-800-10 | 41-800-10 | — | — |
| WORCESTER GREENSTAR GR4700iW 15 S NG SYSTEM | 41-800-09 | 41-800-09 | — | — |
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.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.