Navien
Navien Heat Exchanger Outlet Adaptor 30023518A
Heat exchanger outlet adaptor for Navien LCB 700 Combi boilers, part number 30023518A.
At a glance
- Part type: heat exchanger outlet adaptor
- Appliance family: Navien LCB 700 Combi
£72.25
£60.21 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
Navien heat exchanger outlet adaptor, part number 30023518A. It fits Navien LCB 700 Combi boilers and forms the outlet connection on the heat exchanger. The adaptor provides the connection point between the heat exchanger outlet and the appliance pipework.
Signs this part needs replacing
- Water weeping or dripping at the heat exchanger outlet connection
- Visible corrosion or scale build-up on the adaptor
- Damaged or worn threads preventing a watertight seal
- Pressure loss or overheating linked to a restricted or leaking outlet connection
Before you order
- Check the boiler model against the fit list above
- Confirm the part is required at the heat exchanger outlet, not the inlet or another connection
- Inspect the mating threads and seals before fitting
- Isolate and drain the appliance before removing the existing adaptor
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) | — | — | — |
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Documents & drawings
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