Navien
Navien Heat Exchanger Inlet Pipe 30021131A
Heat exchanger inlet pipe for Navien LCB 700 System boilers, supplied as part 30021131A.
At a glance
- Appliance family: LCB 700 System
£25.63
£21.36 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 heat exchanger inlet pipe for Navien LCB 700 System boilers, manufactured by Navien and supplied under part number 30021131A. It carries water into the heat exchanger on the LCB 700 System range. The pipe is specific to the 21KW and 28KW internal and external variants of this appliance family.
Signs this part needs replacing
- Water weeping or dripping from the pipe or its connections to the heat exchanger
- Visible corrosion, pitting or surface deterioration on the pipe wall
- Scale or debris build-up restricting flow through the inlet
- Cracking, deformation or a damaged sealing face at either end
- Repeated pressure loss traced to the inlet pipework
Before you order
- Confirm the appliance is a Navien LCB 700 System boiler
- Check whether the installation is the internal or external variant
- Verify the output rating is 21KW or 28KW
- Inspect the existing pipe and connections to confirm the fault lies with this component
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN LCB 700 SYSTEM EXTERNAL 21KW (Serial Number 1471) | — | — | — | |
| NAVIEN LCB 700 SYSTEM EXTERNAL 21KW (Serial Number 1471) | — | — | — | |
| NAVIEN LCB 700 SYSTEM EXTERNAL 28KW (Serial Number 1476) | — | — | — | |
| NAVIEN LCB 700 SYSTEM EXTERNAL 28KW (Serial Number 1476) | — | — | — | |
| NAVIEN LCB 700 SYSTEM INTERNAL 21KW (Serial Number 1434) | — | — | — | |
| NAVIEN LCB 700 SYSTEM INTERNAL 21KW (Serial Number 1434) | — | — | — | |
| NAVIEN LCB 700 SYSTEM INTERNAL 28KW (Serial Number 1475) | — | — | — | |
| NAVIEN LCB 700 SYSTEM INTERNAL 28KW (Serial Number 1475) | — | — | — |
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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