Worcester Bosch
Worcester Bosch O-Ring And Washer Pack Compact Combi 8716116844
Worcester Bosch O-ring and washer pack 8716116844 for Compact Combi and Greenstar boilers, sealing pipework joints to heat exchangers and fans.
At a glance
- Part type: O-rings, washers, seals and gaskets
- Also known as 1031021
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
£29.53
£24.61 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 Worcester Bosch O-Ring and Washer Pack (8716116844) is a sealing set used at several points inside Worcester Bosch heating appliances. The seals join pipework to internal components such as heat exchangers and fans, keeping water and air contained at the joint. It is supplied for the Compact Combi and Greenstar families, where the same seal sizes are used across a number of assemblies.
Signs this part needs replacing
- Weeping or dripping at pipe joints inside the appliance
- Water tracking down the casing or pooling beneath the boiler
- Seals that have hardened, flattened or cracked with age
- Loss of system pressure with no obvious external leak
- Scale or corrosion deposits around a joint after a repair
Before you order
- Check the GC number or serial plate on the appliance to confirm the correct seal set
- Note the alternative part number 1031021 when cross-referencing older documentation
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | O-Rings & Lip Seals |
|---|
Compliance
| Manufacturer part number (MPN) | 8716116844 |
|---|---|
| GC number | J16-572 |
| Barcode / EAN | 4054925248210 |
| Commodity code | 4016 93 00 00 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | 1031021 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 25SI COMPACT LPG | 47-406-51 | 47-406-51 | — | — |
| WORCESTER GREENSTAR 25SI COMPACT NG | 47-406-50 | 47-406-50 | — | — |
| WORCESTER GREENSTAR 25Si ErP COMPACT LPG | 47-407-74 | 47-407-74 | — | — |
| WORCESTER GREENSTAR 25Si ErP COMPACT NG | 47-406-73 | 47-406-73 | — | — |
| WORCESTER GREENSTAR 28 CDI COMPACT LPG | 47-406-45 | 47-406-45 | — | — |
| WORCESTER GREENSTAR 28 CDI COMPACT NG | 47-406-44 | 47-406-44 | — | — |
| WORCESTER GREENSTAR 28CDi ErP COMPACT LPG | 47-406-78 | 47-406-78 | — | — |
| WORCESTER GREENSTAR 28CDi ErP COMPACT NG | 47-406-77 | 47-406-77 | — | — |
| WORCESTER GREENSTAR 28Si ErP COMPACT | — | — | — | |
| WORCESTER GREENSTAR 30 SI COMPACT LPG | 47-406-53 | 47-406-53 | — | — |
Showing 10 of 39 compatible appliances.
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.
WORCESTER appliance manual — GREENSTAR 25SI COMPACT LPG (GC 47-406-51), GREENSTAR 25SI COMPACT NG (GC 47-406-50), GREENSTAR 30 SI COMPACT LPG (GC 47-406-53), GREENSTAR 30 SI COMPACT NG (GC 47-406-52)
manualmanualWORCESTER appliance manual — GREENSTAR 25Si ErP COMPACT LPG (GC 47-407-74), GREENSTAR 25Si ErP COMPACT NG (GC 47-406-73), GREENSTAR 28Si ErP COMPACT, GREENSTAR 30Si ErP COMPACT LPG (GC 47-406-76), GREENSTAR 30Si ErP COMPACT NG (GC 47-406-75)
manualmanualWORCESTER appliance manual — GREENSTAR 28 CDI COMPACT LPG (GC 47-406-45), GREENSTAR 28 CDI COMPACT NG (GC 47-406-44)
manualmanualWORCESTER appliance manual — GREENSTAR 28CDi ErP COMPACT LPG (GC 47-406-78), GREENSTAR 28CDi ErP COMPACT NG (GC 47-406-77), GREENSTAR 32CDi ErP COMPACT LPG (GC 47-406-80), GREENSTAR 32CDi ErP COMPACT NG (GC 47-406-79), GREENSTAR 36CDi ErP COMPACT LPG (GC 47-406-82), GREENSTAR 36CDi ErP COMPACT NG (GC 47-406-81)
manualmanualWORCESTER appliance manual — GREENSTAR 32CDI COMPACT LPG (GC 47-406-47), GREENSTAR 32CDI COMPACT NG (GC 47-406-46), GREENSTAR 36CDI COMPACT LPG (GC 47-406-49), GREENSTAR 36CDI COMPACT NG (GC 47-406-48)
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