Navien
Navien 3-Way Valve 30020637A
Navien 3-way valve, part number 30020637A, listed for LCB 700 combi boilers in external and internal 21kW, 28kW and 36kW models.
At a glance
- Part type: Diverter valves and hydraulics
£39.65
£33.04 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 3-way valve (SKU 30020637A) is classed in the catalogue as a diverter valve and hydraulic component. It is a Navien part for the LCB 700 combi boiler range, available in external and internal variants at 21kW, 28kW and 36kW.
Before you order
- Serial-range note: the listed fit is LCB 700 Combi External 21KW (Serial Number 1705). Check the serial number on your boiler against the serial numbers listed under Fits.
- Alternative part numbers are listed as 30020637A.
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 28KW (Serial Number 1710) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 36KW (Serial Number 1709) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 21KW (Serial Number 1704) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 28KW (Serial Number 1706) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 36KW (Serial Number 1708) | — | — | — |
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.