Navien
Navien Plate Heat Exchanger 30024107A
Plate heat exchanger for Navien LCB 700 combi boilers, part number 30024107A.
At a glance
- Part type: plate heat exchanger
- Appliance family: LCB 700
£148.39
£123.66 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 plate heat exchanger is a Navien component used in LCB 700 combi boilers to transfer heat between the primary circuit and the domestic hot water circuit. It is a stacked-plate assembly, with the two water paths kept separate across the plate pack. The part carries the manufacturer part number 30024107A.
Signs this part needs replacing
- Domestic hot water temperature fluctuating or running hot and cold at the tap
- Reduced hot water flow rate compared with the boiler's normal performance
- Scale or debris restricting flow through the plate pack
- Water weeping from the plate pack or its connections
- Hot water performance dropping when the heating circuit is also running
Before you order
- Confirm the boiler is an LCB 700 combi and note the output in kW
- Check whether the installation is the internal or external variant
- Check the appliance serial number against the manufacturer's parts list
- Verify the part number 30024107A against the manufacturer's documentation for your model
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
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.
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