Navien
Navien Gas Orifice 20058410A
Natural gas orifice, part 20058410A, for the Navien NCB300-28K Combi boiler.
At a glance
- Part type: injector (gas orifice)
- Appliance family: NCB300-28K Combi
£3.91
£3.26 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 Gas Orifice 20058410A is a natural gas (NG) orifice classed as an injector, manufactured by Navien. It is listed for use with the Navien NCB300-28K Combi boiler.
Signs this part needs replacing
- Combustion readings that cannot be brought within the manufacturer's specified range
- Incorrect gas input rate at the appliance, with the burner running rich or lean
- Sooting, discolouration or erratic flame pattern at the burner
- Whistling or unusual noise from the gas train at the orifice
- Orifice blocked, damaged or showing signs of debris after servicing
Before you order
- Serial-range note: this part is listed for the NCB300-28K COMBI with Serial Number 3710, so check the appliance serial number before ordering
- Confirm the appliance is set up for natural gas (NG), not LPG
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN NCB300-28K COMBI - (Serial Number 3710) | — | — | — | |
| NAVIEN NCB300-28K COMBI - (Serial Number 3710) | — | — | — |
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.