Worcester Bosch
Worcester Bosch Pressure Switch HP31bar 8718663943
Pressure switch rated at 31 bar for Worcester Bosch Greenstore combi and system boilers.
At a glance
- Also known as PRESSURE-SWITCH-HP31BAR, 1022361
£254.60
£212.17 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 Pressure Switch HP31bar is a pressure-sensing component fitted to Greenstore combi and system boilers. It monitors system pressure and provides a switching signal to the boiler control circuit. The part is identified by Worcester Bosch part number 8718663943.
Signs this part needs replacing
- Boiler fails to fire or locks out when system pressure is within the normal range
- Boiler pressure gauge reading does not match the actual system pressure
- Repeated pressure-related fault codes or low-pressure lockouts
- Boiler cuts out or operates intermittently during a heat demand
Before you order
- Confirm the existing component is marked 8718663943 or cross-references to PRESSURESWITCHHP31BAR
- Check the boiler model against the fit list above
- Verify the 31 bar rating matches the original pressure switch
- Installation should be carried out by a competent heating engineer
Compliance
| Barcode / EAN | 4054925255362 |
|---|---|
| Alternative numbers | PRESSURE-SWITCH-HP31BAR, 1022361 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTORE 11 COMBI SOFT START | — | — | — | |
| WORCESTER GREENSTORE 11 SYSTEM SOFT START | — | — | — | |
| WORCESTER GREENSTORE 6 COMBI SOFT START | — | — | — | |
| WORCESTER GREENSTORE 6 SYSTEM | — | — | — | |
| WORCESTER GREENSTORE 6 SYSTEM SOFT START | — | — | — | |
| WORCESTER GREENSTORE 7 COMBI SOFT START | — | — | — | |
| WORCESTER GREENSTORE 7 SYSTEM | — | — | — | |
| WORCESTER GREENSTORE 7 SYSTEM SOFT START | — | — | — | |
| WORCESTER GREENSTORE 9 COMBI SOFT START | — | — | — | |
| WORCESTER GREENSTORE 9 SYSTEM | — | — | — |
Showing 10 of 11 compatible appliances.
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.
WORCESTER appliance manual — GREENSTORE 11 COMBI SOFT START, GREENSTORE 6 COMBI SOFT START, GREENSTORE 7 COMBI SOFT START, GREENSTORE 9 COMBI SOFT START
manualmanualWORCESTER appliance manual — GREENSTORE 11 SYSTEM SOFT START, GREENSTORE 6 SYSTEM, GREENSTORE 6 SYSTEM SOFT START, GREENSTORE 7 SYSTEM, GREENSTORE 7 SYSTEM SOFT START, GREENSTORE 9 SYSTEM, GREENSTORE 9 SYSTEM SOFT START
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