Navien
Navien Pipe Heat Exchanger Inlet 30023521A
Heat exchanger inlet pipe for the Navien LCB 700 Combi Internal 36KW boiler, part number 30023521A.
At a glance
- Part type: heat exchanger inlet pipe
- Appliance family: LCB 700 Combi Internal
£30.64
£25.53 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 30023521A is the heat exchanger inlet pipe for the Navien LCB 700 Combi Internal 36KW boiler. It forms part of the appliance's internal pipework, carrying water into the heat exchanger. It is a manufacturer-supplied component for this model.
Signs this part needs replacing
- Water weeping or dripping from the pipe or its connections
- Visible corrosion, pitting or staining on the pipe surface
- Scale or debris build-up restricting flow into the heat exchanger
- Reduced hot water output or boiler faults linked to poor circulation through the heat exchanger
- Deformation or mechanical damage to the pipe or its joint
Before you order
- Confirm the appliance is a Navien LCB 700 Combi Internal 36KW.
- Check the appliance serial number against the manufacturer's parts list.
- Inspect the surrounding pipework and connections to confirm the inlet pipe is the failed component.
- Check whether any seals or washers are required separately before fitting.
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN LCB 700 COMBI INTERNAL 36KW (Serial Number 1708) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 36KW (Serial Number 1708) | — | — | — |
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 technical questions yet for this part.
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