
Navien
Navien Turbulence 20043515A
Navien turbulence component 20043515A, listed for LCB 700 combi, regular and system boilers.
At a glance
- Appliance family: LCB 700
£4.27
£3.56 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 20043515A is a turbulence component listed for the Navien LCB 700 boiler range. It is supplied as a spare part for these appliances and is identified by part number 20043515A. Fitment covers LCB 700 combi, regular and system models in 21KW, 28KW and 36KW outputs.
Signs this part needs replacing
- Increased noise or vibration from the boiler during operation
- Visible damage, distortion or corrosion on the component
- Scale or debris build-up on the component
- The component is missing or displaced when the appliance is serviced
- Boiler performance has changed and the component is found to be worn
Before you order
- Confirm your appliance is a Navien LCB 700 model
- Check whether your boiler is combi, regular or system, and confirm the output in KW
- Check the model and serial number against the fitment list above
- Verify the part number 20043515A matches the component being replaced
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN LCB 700 COMBI EXTERNAL 21KW (Serial Number 1705) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 21KW (Serial Number 1705) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 28KW (Serial Number 1710) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 28KW (Serial Number 1710) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 36KW (Serial Number 1709) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 36KW (Serial Number 1709) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 21KW (Serial Number 1704) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 21KW (Serial Number 1704) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 28KW (Serial Number 1706) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 28KW (Serial Number 1706) | — | — | — |
Showing 10 of 36 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.
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.
