
Worcester Bosch
Worcester Bosch Safety Relief Valve 87186438140
Safety relief valve for Worcester Bosch Greenstar 24 FSN-GB and 28 FSN-GB combi boilers, part number 87186438140.
At a glance
- Part type: safety relief valve (pressure relief valve)
- Appliance family: Greenstar combi boilers
- Also known as 1031491
- Work on gas appliances must be carried out by a Gas Safe registered engineer
£34.74
£28.95 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 87186438140 is a safety relief valve used in the manufacturer's Greenstar combi boiler range. It opens to release excess pressure from the heating circuit, protecting the appliance and system components from over-pressurisation. It is listed under pressure relief and safety valves in the gas boiler spares category.
Signs this part needs replacing
- Water discharging continuously from the pressure relief discharge pipe
- Boiler losing pressure repeatedly and needing frequent top-ups
- System pressure rising above the normal range during heating
- Dripping or weeping from the valve body or outlet
- Pressure gauge reading high with no other obvious cause
Before you order
- Confirm your boiler model matches one of the fitments listed above
- Check the part number against the valve fitted or the manufacturer's parts list
- Work on gas appliances must be carried out by a Gas Safe registered engineer
Compliance
| GC number | J09-211 |
|---|---|
| Barcode / EAN | 4054925934533 |
| Alternative numbers | 1031491 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 24 FSN-GB COMBI NG | 47-406-32 | 47-406-32 | — | — |
| WORCESTER GREENSTAR 28 FSN-GB COMBI NG | 47-406-33 | 47-406-33 | — | — |
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.
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