Worcester Bosch
Worcester Bosch Conversion Kit Gas 21kW System LPG-NG 8716121525
Gas conversion kit for Worcester Bosch Greenstar 4000 System 21kW boilers, converting between LPG and natural gas on appliances after FD273.
At a glance
- Also known as 8922987
- Conversion must be carried out by a competent Gas Safe registered engineer, with the appliance recommissioned and gas rates checked afterwards.
£117.43
£97.86 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 the Worcester Bosch gas conversion kit for 21kW Greenstar System appliances, supplied as part 8716121525. It allows a compatible boiler to be converted between LPG and natural gas operation. It is intended for units built after FD273.
Before you order
- Confirm the boiler model and GC number match one of the fitments listed above.
- Check the appliance serial number to confirm it was manufactured after FD273.
- Identify the existing gas type and the gas type the installation will run on, so the correct conversion direction is applied.
- Conversion must be carried out by a competent Gas Safe registered engineer, with the appliance recommissioned and gas rates checked afterwards.
Compliance
| Alternative numbers | 8922987 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 21 S LPG | 41-800-14 | 41-800-14 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 21 S NG | 41-800-13 | 41-800-13 | — | — |
| WORCESTER GREENSTAR GR4700iW 21 S LPG SYSTEM | 41-800-14 | 41-800-14 | — | — |
| WORCESTER GREENSTAR GR4700iW 21 S NG SYSTEM | 41-800-13 | 41-800-13 | — | — |
Documents & drawings
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