Navien
Navien Buffer Tank Inlet Adaptor 30024559A
Buffer tank inlet adaptor for Navien LCB 700 Combi boilers in 21KW, 28KW and 36KW internal and external variants.
At a glance
- Part type: buffer tank inlet adaptor
- Appliance family: LCB 700 Combi
£67.79
£56.49 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 Navien buffer tank inlet adaptor (part number 30024559A) is a connection component used on LCB 700 Combi boilers. It forms the inlet connection point between the buffer tank and the appliance's hydraulic circuit. It is manufactured by Navien for the LCB 700 Combi range.
Signs this part needs replacing
- Visible weeping or dripping at the buffer tank inlet connection
- Corrosion or mineral scale around the adaptor body or threads
- Damaged or cross-threaded connection threads
- Leaks that continue after the joint has been resealed
Before you order
- Confirm the appliance is an LCB 700 Combi and note whether it is the internal or external variant
- Check the model and serial number against the fitment list above
- Compare the part number on the existing adaptor with 30024559A
- Inspect the mating connection for damage before fitting
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 12 compatible appliances.
Documents & drawings
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