Navien
Navien 2nd Heat Exchanger Inlet Adaptor 30013743A
Navien inlet adaptor for the second heat exchanger, part number 30013743A, for NCB-CE system and combination boilers.
At a glance
- Appliance family: NCB-CE ERP system and combination boilers
£13.74
£11.45 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 30013743A is an inlet adaptor for the second heat exchanger on NCB-CE series boilers. It forms the connection between the incoming pipework and the secondary heat exchanger inlet, directing flow into the exchanger. It is a manufacturer part specific to the NCB-CE platform.
Signs this part needs replacing
- Water weeping or dripping from the adaptor joint at the heat exchanger inlet
- Visible corrosion, pitting or scale build-up on the adaptor body
- Cracking or deformation of the adaptor, particularly at the threaded or sealed connection
- Traces of limescale or staining around the joint indicating a long-standing weep
- Reduced flow or noise at the inlet caused by restriction within the adaptor
Before you order
- Confirm your boiler model and serial number against the fit list above
- Check the part number 30013743A against the manufacturer's parts list for your appliance
- Inspect the existing adaptor and its connection for damage before removal so any associated seals or fittings can be identified
- Isolate the appliance and drain down as required before work begins
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN NCB-CE 20KW SYSTEM BOILER ERP - (Serial Number 6662) | — | — | — | |
| NAVIEN NCB-CE 20KW SYSTEM BOILER ERP - (Serial Number 6662) | — | — | — | |
| NAVIEN NCB-CE 23KW SYSTEM BOILER ERP - (Serial Number 6663) | — | — | — | |
| NAVIEN NCB-CE 23KW SYSTEM BOILER ERP - (Serial Number 6663) | — | — | — | |
| NAVIEN NCB-CE 24KW COMBINATION BOILER ERP - (Serial Number 0128) | — | — | — | |
| NAVIEN NCB-CE 24KW COMBINATION BOILER ERP - (Serial Number 0128) | — | — | — | |
| NAVIEN NCB-CE 24KW COMBINATION BOILER ERP - (Serial Number 2570) | — | — | — | |
| NAVIEN NCB-CE 24KW COMBINATION BOILER ERP - (Serial Number 2570) | — | — | — | |
| NAVIEN NCB-CE 28KW COMBINATION BOILER ERP - (Serial Number 0129) | — | — | — | |
| NAVIEN NCB-CE 28KW COMBINATION BOILER ERP - (Serial Number 0129) | — | — | — |
Showing 10 of 22 compatible appliances.
Documents & drawings
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