Worcester Bosch
Worcester Bosch Flow Regulator N-W-LP 11 L/min Brown 8737603925
Flow regulator for Worcester Greenstar 4000 System appliances, marked N-W-LP with an 11 L/min rating and a brown body.
At a glance
- Also known as 8922913
£6.68
£5.57 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 FLOW REGULATOR N-W-LP 11 L/MIN BROWN is a Worcester Bosch flow regulator for Greenstar 4000 System appliances. It controls the rate at which water passes through the relevant water circuit, holding flow at the rated 11 litres per minute. The brown body identifies the N-W-LP variant and its flow rating.
Signs this part needs replacing
- Domestic hot water flow rate noticeably lower than expected at the outlets
- Flow rate that fluctuates or drops as the tap or shower runs
- Scale, debris or discolouration visible in or around the regulator body
- Flow-related fault indications or appliance lockout during hot water draw-off
- Water escaping from the regulator seating or its connections
Before you order
- Confirm the appliance model against the fit list above before ordering
- Check the existing regulator for the N-W-LP marking and the 11 L/min rating
- Verify the part number 8737603925 matches the number on the component being replaced
- Inspect the surrounding pipework for scale or debris that may have caused the original fault
Compliance
| Alternative numbers | 8922913 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| 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 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.