
Navien
Navien Adaptor SC Inlet 20018343A
Navien SC inlet adaptor, part 20018343A, for NPE-AWE and NPE-SWE series appliances.
At a glance
- Part type: adaptor, SC inlet
£5.02
£4.18 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 SC inlet adaptor, part number 20018343A, is a connection component fitted to Navien NPE-AWE and NPE-SWE series appliances. It provides the inlet connection point where the incoming supply pipework joins the unit. It is a serviceable part and is replaced as an individual component.
Signs this part needs replacing
- Water weeping or dripping from the inlet connection
- Corrosion, scale or mineral build-up around the adaptor body
- Cracked, stripped or cross-threaded threads on the adaptor
- A joint that continues to weep after the supply pipe has been tightened
- Damp staining on the casing or pipework beneath the connection
Before you order
- Confirm the appliance model number matches one of the models listed above
- Check the unit's serial number against the fitment list where it is available
- Inspect the existing adaptor and its mating connection for thread damage
- Confirm the part number 20018343A matches the component being removed
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN NPE-AWE CE-24A - (Serial Number 5093) | — | — | — | |
| NAVIEN NPE-AWE CE-24A - (Serial Number 5093) | — | — | — | |
| NAVIEN NPE-AWE CE-32A - (Serial Number 5095) | — | — | — | |
| NAVIEN NPE-AWE CE-32A - (Serial Number 5095) | — | — | — | |
| NAVIEN NPE-SWE CE-24S - (Serial Number 5094) | — | — | — | |
| NAVIEN NPE-SWE CE-24S - (Serial Number 5094) | — | — | — | |
| NAVIEN NPE-SWE CE-32S - (Serial Number 5096) | — | — | — | |
| NAVIEN NPE-SWE CE-32S - (Serial Number 5096) | — | — | — |
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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