Navien
Navien Cold Water Inlet Pipe 30029188A
Cold water inlet pipe, part 30029188A, for the Navien NCB300-41K Combi boiler.
At a glance
- Appliance family: NCB300-41K Combi
£50.52
£42.10 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 inlet pipe is a component for the Navien NCB300-41K Combi boiler. It carries incoming mains cold water into the appliance, feeding the domestic hot water circuit. Supplied under part number 30029188A.
Signs this part needs replacing
- Visible weeping or water staining around the inlet pipe connections
- Scale or debris restricting cold water flow into the boiler
- Reduced domestic hot water flow at the taps
- Corrosion or pitting on the pipe surface
- Damage to the pipe or its fittings following frost exposure
Before you order
- Confirm the boiler model is the NCB300-41K Combi
- Check the serial number on the appliance data badge
- Compare the existing part number against 30029188A
- Inspect the pipe connections and seals for damage before fitting
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN NCB300-41K COMBI - (Serial Number 3711) | — | — | — | |
| NAVIEN NCB300-41K COMBI - (Serial Number 3711) | — | — | — |
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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