Navien
Navien Packing Exhaust Duct 20044452A
Exhaust duct packing for Navien NCB-CE and NPE series boilers, part number 20044452A.
At a glance
- Part type: packing for the exhaust duct
£4.82
£4.02 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
This is the exhaust duct packing supplied by Navien for its NCB-CE and NPE boiler ranges. It forms the sealing component at the exhaust duct joint, where the flue path meets the appliance. It is listed by Navien under part number 20044452A.
Signs this part needs replacing
- Visible cracking, hardening or flattening of the packing at the duct joint
- Condensate weeping or staining around the exhaust duct connection
- Flue gas smell or combustion readings drifting from the previously set values
- Whistling or chuffing noise at the duct joint under firing
- The packing is disturbed or damaged during flue servicing and will not reseat
Before you order
- Confirm your appliance model against the fit list above
- Check the serial number of your appliance, as several models share the same kW rating
- Inspect the existing packing and duct joint for damage before ordering
- Verify the part number 20044452A against the marking on the component being replaced
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 30 compatible appliances.
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.
NAVIEN appliance manual — NCB-CE 20KW SYSTEM BOILER ERP - (Serial Number 6662), NCB-CE 23KW SYSTEM BOILER ERP - (Serial Number 6663), NCB-CE 24KW COMBINATION BOILER ERP - (Serial Number 0128), NCB-CE 24KW COMBINATION BOILER ERP - (Serial Number 2570), NCB-CE 28KW COMBINATION BOILER ERP - (Serial Number 0129), NCB-CE 28KW COMBINATION BOILER ERP - (Serial Number 2571), NCB-CE 28KW SYSTEM BOILER ERP - (Serial Number 6664), NCB-CE 33KW SYSTEM BOILER ERP - (Serial Number 6665), NCB-CE 34KW COMBINATION BOILER ERP - (Serial Number 0130), NCB-CE 34KW COMBINATION BOILER ERP - (Serial Number 2572), NCB-CE 40KW COMBINATION BOILER ERP - (Serial Number 0131)
manualmanualNAVIEN appliance manual — NPE-AWE CE-24A - (Serial Number 5093), NPE-AWE CE-32A - (Serial Number 5095), NPE-SWE CE-24S - (Serial Number 5094), NPE-SWE CE-32S - (Serial Number 5096)
manualNo technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.