Navien
Navien Pipe Cold Water Inlet 30023438A
Cold water inlet pipe for Navien LCB 700 Combi internal and external boilers, part number 30023438A.
At a glance
- Part type: cold water inlet pipe
- Appliance family: LCB 700 Combi
£126.47
£105.39 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 (part number 30023438A) is a component of the LCB 700 Combi boiler range. It carries incoming mains cold water into the appliance's hydraulic assembly. It is listed for both internal and external LCB 700 Combi models.
Signs this part needs replacing
- Water weeping or dripping from the pipe or its connections
- Visible corrosion, scale or mineral build-up on the pipe surface
- Reduced cold water flow into the boiler
- Cracking, kinking or deformation of the pipe
- Water staining or dampness around the inlet area
Before you order
- Confirm your boiler model and serial number against the fitment list
- Inspect the existing pipe and connections to confirm the exact fault before ordering
- Check for any other damaged components in the cold water inlet assembly
- Isolate the water supply and depressurise the appliance before removal
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN LCB 700 COMBI EXTERNAL 21KW (Serial Number 1705) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 21KW (Serial Number 1705) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 28KW (Serial Number 1710) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 28KW (Serial Number 1710) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 36KW (Serial Number 1709) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 36KW (Serial Number 1709) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 21KW (Serial Number 1704) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 21KW (Serial Number 1704) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 28KW (Serial Number 1706) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 28KW (Serial Number 1706) | — | — | — |
Showing 10 of 12 compatible appliances.
Documents & drawings
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