Navien
Navien Water Pressure Sensor 30014699A
Water pressure sensor 30014699A for Navien LCB 700 combi, regular and system boilers.
At a glance
- Part type: water pressure sensor
- Appliance family: LCB 700
£40.49
£33.74 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 30014699A is a water pressure sensor used on Navien LCB 700 series boilers. It monitors system water pressure and feeds that signal back to the boiler's control board, allowing the appliance to regulate operation and raise a fault if pressure falls outside the expected range. It is a serviceable component on the LCB 700 combi, regular and system models.
Signs this part needs replacing
- Persistent low water pressure fault codes despite the system being correctly filled and vented
- Pressure reading on the boiler display that is erratic, stuck or clearly inconsistent with a gauge on the system
- Boiler locking out or refusing to fire when system pressure is known to be within range
- Water weeping from the sensor body or its connection point
- Pressure-related faults that return immediately after resetting the boiler
Before you order
- Confirm the appliance is a Navien LCB 700 and identify whether it is a combi, regular or system model
- Check the output rating (21KW, 28KW or 36KW) and whether the boiler is internal or external
- Verify the serial number against the fitment list, as LCB 700 build ranges differ
- Compare the part number on the existing sensor with 30014699A before ordering
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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