Worcester Bosch
Worcester Bosch Nut 8716121399
A Worcester Bosch securing nut for Greenstar 4000 and Gr4700IW combi and system boilers, listed under part number 8716121399.
At a glance
- Part type: nut
- Also known as 2248790
£0.85
£0.71 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
This is a Worcester Bosch nut, supplied under part number 8716121399. It is a securing fastener used on Greenstar 4000 and Gr4700IW combi and system boilers. The nut holds the associated joint or component fast on the appliance.
Signs this part needs replacing
- Corroded or pitted surfaces on the nut body or threads
- Rounded or damaged hex flats that will not take a spanner cleanly
- The nut will not torque down and pulls free of the thread
- Weeping or staining at the joint the nut secures
- The nut is lost or dropped during servicing and cannot be recovered
Before you order
- Confirm the boiler model and GC number against the fits list
- Check the part number 8716121399 matches the item being replaced
- Inspect the mating thread for damage before fitting a new nut
Compliance
| Alternative numbers | 2248790 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 4000 COMBI GR4700iW 25 C LPG | 47-800-31 | 47-800-31 | — | — |
| WORCESTER GREENSTAR 4000 COMBI GR4700iW 25 C NG | 47-800-30 | 47-800-30 | — | — |
| WORCESTER GREENSTAR 4000 COMBI GR4700iW 30 C LPG | 47-800-33 | 47-800-33 | — | — |
| WORCESTER GREENSTAR 4000 COMBI GR4700iW 30 C NG | 47-800-32 | 47-800-32 | — | — |
| 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 4000 SYSTEM GR4700iW 18 S LPG | 41-800-12 | 41-800-12 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 18 S NG | 41-800-11 | 41-800-11 | — | — |
Showing 10 of 28 compatible appliances.
Documents & drawings
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