Worcester Bosch
Worcester Bosch Grundfos pump 87161431080
At a glance
- Also known as WB87161431080, 1018653, N9174-Z
- Have the replacement fitted and commissioned by a Gas Safe registered engineer
£144.60
£120.50 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 87161431080 is a circulation pump fitted in Worcester CDi-range combi boilers, built around a Grundfos 59506607 pump unit. It moves heated water around the central heating circuit and, in a combi, through the diverter valve to the domestic hot water and central heating sides of the system.
Signs this part needs replacing
- No or reduced central heating and hot water flow despite the boiler firing
- Pump making a humming, grinding or seized noise, or failing to start
- Boiler locking out on a flow-related fault code
- Leaking or weeping from the pump housing or seal
Before you order
- Match your boiler's GC number against the list above before ordering
- Isolate electrical power and drain down or close isolation valves before removal
- Have the replacement fitted and commissioned by a Gas Safe registered engineer
Compliance
| Alternative numbers | WB87161431080, 1018653, N9174-Z |
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No fitment data held for this part.
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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