Navien
Navien High Limit Stat 30014887A
High limit stat 30014887A for Navien LCB 700 combi, regular and system boilers.
At a glance
- Part type: high limit stat
£5.02
£4.18 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 high limit stat, part number 30014887A, is a safety temperature control used on Navien LCB 700 boilers. It monitors boiler temperature and interrupts the burner if the set limit is exceeded, protecting the appliance from overheating. It is listed for the LCB 700 combi, regular and system ranges.
Signs this part needs replacing
- The boiler locks out or shuts down once it reaches temperature
- Repeated overheat lockouts that need resetting
- Heating and hot water cut out together with no other obvious fault
- The boiler fires briefly and then goes to lockout
- The stat fails a continuity check
Before you order
- Confirm your boiler model and serial number against the fitment list above
- Check the part number on the existing stat matches 30014887A
- Isolate the electrical supply and gas before fitting
- Confirm the lockout is caused by the stat and not another overheat fault
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 36 compatible appliances.
Documents & drawings
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