Navien
Navien Cold Water Filter 30008171A
Cold water filter, part 30008171A, for Navien NCB300, NCB500, NCB-CE and NPE boilers and water heaters.
£5.57
£4.64 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 Navien cold water filter, part number 30008171A, is a service component for Navien gas boilers and water heaters. It sits in the cold water inlet path and traps debris and scale before water enters the appliance. It is listed for the NCB300, NCB500, NCB-CE and NPE ranges.
Signs this part needs replacing
- Reduced flow at hot water outlets
- Visible scale or debris collected on the filter
- Cold water inlet restriction causing flow faults
- Sediment or discoloured water passing through to the appliance
- Repeated flow-related lockouts or shutdowns
Before you order
- Confirm your appliance model and serial number against the fit list
- Check that part number 30008171A matches the filter currently fitted
- Isolate the cold water supply and depressurise before removal
- Inspect the filter housing for damage before fitting the new filter
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN NCB-CE 20KW SYSTEM BOILER ERP - (Serial Number 6662) | — | — | — | |
| NAVIEN NCB-CE 20KW SYSTEM BOILER ERP - (Serial Number 6662) | — | — | — | |
| NAVIEN NCB-CE 23KW SYSTEM BOILER ERP - (Serial Number 6663) | — | — | — | |
| NAVIEN NCB-CE 23KW SYSTEM BOILER ERP - (Serial Number 6663) | — | — | — | |
| NAVIEN NCB-CE 24KW COMBINATION BOILER ERP - (Serial Number 0128) | — | — | — | |
| NAVIEN NCB-CE 24KW COMBINATION BOILER ERP - (Serial Number 0128) | — | — | — | |
| NAVIEN NCB-CE 24KW COMBINATION BOILER ERP - (Serial Number 2570) | — | — | — | |
| NAVIEN NCB-CE 24KW COMBINATION BOILER ERP - (Serial Number 2570) | — | — | — | |
| NAVIEN NCB-CE 28KW COMBINATION BOILER ERP - (Serial Number 0129) | — | — | — | |
| NAVIEN NCB-CE 28KW COMBINATION BOILER ERP - (Serial Number 0129) | — | — | — |
Showing 10 of 42 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.
NAVIEN appliance manual — NCB-CE 20KW SYSTEM BOILER ERP - (Serial Number 6662), NCB-CE 23KW SYSTEM BOILER ERP - (Serial Number 6663), NCB-CE 24KW COMBINATION BOILER ERP - (Serial Number 0128), NCB-CE 24KW COMBINATION BOILER ERP - (Serial Number 2570), NCB-CE 28KW COMBINATION BOILER ERP - (Serial Number 0129), NCB-CE 28KW COMBINATION BOILER ERP - (Serial Number 2571), NCB-CE 28KW SYSTEM BOILER ERP - (Serial Number 6664), NCB-CE 33KW SYSTEM BOILER ERP - (Serial Number 6665), NCB-CE 34KW COMBINATION BOILER ERP - (Serial Number 0130), NCB-CE 34KW COMBINATION BOILER ERP - (Serial Number 2572), NCB-CE 40KW COMBINATION BOILER ERP - (Serial Number 0131)
manualmanualNAVIEN appliance manual — NCB300-28K COMBI - (Serial Number 3710), NCB300-37K COMBI - (Serial Number 3734), NCB300-41K COMBI - (Serial Number 3711)
manualmanualNAVIEN appliance manual — NCB500-1S+/32K COMBI - (Serial Number 3924), NCB500-2S+/41K COMBI - (Serial Number 3712), NCB500-2S/37K COMBI - (Serial Number 3735)
manualmanualNAVIEN appliance manual — NPE-AWE CE-24A - (Serial Number 5093), NPE-AWE CE-32A - (Serial Number 5095), NPE-SWE CE-24S - (Serial Number 5094), NPE-SWE CE-32S - (Serial Number 5096)
manualNo technical questions yet for this part.
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