Navien
Navien Adaptor Heat Exchanger Outlet 30021072A
Heat exchanger outlet adaptor for Navien LCB 700 Regular and System boilers, internal and external models.
At a glance
- Part type: heat exchanger outlet adaptor
£66.67
£55.56 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 outlet adaptor for Navien LCB 700 series boilers. It forms the connection at the outlet side of the heat exchanger, allowing the primary circuit pipework to be joined to the appliance. It is a serviceable component used across the LCB 700 Regular and System ranges.
Signs this part needs replacing
- Visible weeping or staining at the heat exchanger outlet connection
- Corrosion or pitting on the adaptor body or its threads
- Scale or debris build-up restricting flow at the outlet
- A joint that will not seal after re-making, indicating a distorted or damaged face
- Water tracking down the pipework below the heat exchanger
Before you order
- Confirm the boiler model and output from the data badge
- Check whether the appliance is the Regular or System variant
- Inspect the existing adaptor and surrounding pipework for damage before removal
- Isolate the appliance and drain down before starting work
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN LCB 700 REGULAR EXTERNAL 21KW (Serial Number 1474) | — | — | — | |
| NAVIEN LCB 700 REGULAR EXTERNAL 21KW (Serial Number 1474) | — | — | — | |
| NAVIEN LCB 700 REGULAR EXTERNAL 28KW (Serial Number 1478) | — | — | — | |
| NAVIEN LCB 700 REGULAR EXTERNAL 28KW (Serial Number 1478) | — | — | — | |
| NAVIEN LCB 700 REGULAR EXTERNAL 36KW (Serial Number 1482) | — | — | — | |
| NAVIEN LCB 700 REGULAR EXTERNAL 36KW (Serial Number 1482) | — | — | — | |
| NAVIEN LCB 700 REGULAR INTERNAL 21KW (Serial Number 1472) | — | — | — | |
| NAVIEN LCB 700 REGULAR INTERNAL 21KW (Serial Number 1472) | — | — | — | |
| NAVIEN LCB 700 REGULAR INTERNAL 28KW (Serial Number 1477) | — | — | — | |
| NAVIEN LCB 700 REGULAR INTERNAL 28KW (Serial Number 1477) | — | — | — |
Showing 10 of 24 compatible appliances.
Documents & drawings
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