Navien
Navien Adaptor Safety Valve 20048621A
Safety valve adaptor for Navien LCB 700 Combi, Regular and System boilers.
At a glance
- Appliance family: LCB 700
£6.31
£5.26 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 safety valve adaptor (part 20048621A) is a connection component used on Navien LCB 700 boilers. It forms the mounting point between the safety valve and the appliance pipework. It is supplied by Navien for the LCB 700 range.
Signs this part needs replacing
- Water weeping or dripping from the adaptor joint
- Visible corrosion, pitting or scale on the adaptor body
- Damaged or cross-threaded connections preventing a sound seal
- Pressure loss on the boiler with no other obvious cause
- Staining or mineral deposits around the safety valve connection
Before you order
- Confirm the boiler model and serial number against the fit list
- Check that part number 20048621A matches the component being replaced
- Inspect the safety valve and adjacent pipework for damage before refitting
- Isolate and drain the appliance before removal
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) | — | — | — |
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Documents & drawings
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