
Worcester Bosch
Worcester Bosch Drain Cock 87186445830
Drain cock for Worcester Bosch Greenstar 2000 Combi Gr2300IW boilers, used to drain the appliance during service work.
At a glance
- Also known as 8905413
£35.82
£29.85 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 drain cock is a drainage fitting used on Greenstar 2000 Combi Gr2300IW appliances. It allows the boiler's water circuit to be emptied safely during servicing, repair or system work. The part is identified by Worcester Bosch part number 87186445830.
Signs this part needs replacing
- Visible weeping or dripping from the drain cock body or outlet
- The valve will not seal fully after being opened and closed
- The spindle or handle is stiff, seized or rounded off
- Corrosion or scale build-up around the valve seating
- Water continues to pass through the valve when it should be shut
Before you order
- Check the appliance data badge to confirm the model, output and gas type
- Confirm the GC number on the boiler matches the fitting list above
- Compare the part number on the existing drain cock against 87186445830
- Confirm the drain point arrangement on the appliance before ordering
Compliance
| Alternative numbers | 8905413 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 25 C LPG | 47-800-27 | 47-800-27 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 25 C NG | 47-800-26 | 47-800-26 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 30 C LPG | 47-800-29 | 47-800-29 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 30 C NG | 47-800-28 | 47-800-28 | — | — |
| WORCESTER GREENSTAR GR2300iW 25 C LPG COMBI | 47-800-27 | 47-800-27 | — | — |
| WORCESTER GREENSTAR GR2300iW 25 C NG COMBI | 47-800-26 | 47-800-26 | — | — |
| WORCESTER GREENSTAR GR2300iW 30 C LPG COMBI | 47-800-29 | 47-800-29 | — | — |
| WORCESTER GREENSTAR GR2300iW 30 C NG COMBI | 47-800-28 | 47-800-28 | — | — |
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.
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