Worcester Bosch
Worcester Bosch Diaphragm (F) 87161167190
Diaphragm (F) for Worcester Bosch diverter valve assemblies, part number 87161167190.
At a glance
- Part type: Diaphragm (F)
- Also known as 1011739
- Work on gas appliances must be carried out by a Gas Safe registered engineer.
£12.38
£10.32 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 Diaphragm (F), part number 87161167190, is a component used in the diverter valve assembly of Worcester Bosch gas boilers. It sits within the diverter valve and moves in response to pressure changes to switch the appliance between domestic hot water and central heating operation. It is listed as a gas boiler spare for the Worcester Bosch range.
Signs this part needs replacing
- No hot water, or hot water that runs intermittently when a tap is opened
- Radiators heating up when only hot water is demanded
- Diverter valve failing to switch between heating and hot water modes
- Water weeping from the diverter valve housing
- Boiler not responding correctly to a hot water demand
Before you order
- Confirm your boiler model matches one of the fitments listed above.
- Inspect the existing diaphragm and diverter valve assembly for wear or damage before ordering.
- Have the appliance model and serial number to hand when checking compatibility.
- Work on gas appliances must be carried out by a Gas Safe registered engineer.
Compliance
| GC number | E27-550 |
|---|---|
| Barcode / EAN | 4051516985509 |
| Alternative numbers | 1011739 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER BRITISH GAS JETATHERM WH2-BXN-GB NAT GAS BF | — | — | — | |
| WORCESTER WR325 1AD0P23S0501 | — | — | — |
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.
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