Navien
Navien Packing Mix Chamber 20056010A
Packing mix chamber for Navien NCB500 combi boilers, part number 20056010A.
At a glance
- Part type: packing mix chamber
- Appliance family: NCB500 combi
£5.39
£4.49 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 packing mix chamber is a Navien component for the NCB500 range of combi boilers. It forms part of the mixing chamber assembly, where incoming air and gas are brought together before combustion. The part is identified by Navien part number 20056010A.
Signs this part needs replacing
- Water weeping or staining around the mixing chamber area
- Visible deterioration, hardening or distortion of the packing
- Scale or corrosion deposits on the chamber sealing faces
- Persistent moisture in the chamber housing after the boiler has run
- Repeated faults traced to the air and gas mixing assembly
Before you order
- Confirm the boiler model and serial number against the fitment list above
- Check the existing part number on the appliance before ordering
- Inspect adjacent seals and gaskets for wear while the chamber is accessible
- Isolate the appliance and follow the manufacturer's instructions for any gas-related work
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN NCB500-1S+/32K COMBI - (Serial Number 3924) | — | — | — | |
| NAVIEN NCB500-1S+/32K COMBI - (Serial Number 3924) | — | — | — | |
| NAVIEN NCB500-2S+/41K COMBI - (Serial Number 3712) | — | — | — | |
| NAVIEN NCB500-2S+/41K COMBI - (Serial Number 3712) | — | — | — | |
| NAVIEN NCB500-2S/37K COMBI - (Serial Number 3735) | — | — | — | |
| NAVIEN NCB500-2S/37K COMBI - (Serial Number 3735) | — | — | — |
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.
No technical questions yet for this part.
Not sure which part?
Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.