Main
Main Limit Thermostat 5111378
Limit thermostat for Main Multipoint FF and Multipoint FF ErP water heaters.
At a glance
- Part type: limit thermostat (limit stat)
- Also known as 1160720
£52.32
£43.60 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 Main 5111378 is a limit thermostat used on Main Multipoint FF water heaters. It acts as a safety cut-out, interrupting the heat source if the appliance overheats or the set limit temperature is exceeded. It is listed within the water heater spares range under thermostats.
Signs this part needs replacing
- The appliance cuts out during use and will not run until the limit stat is manually reset
- Repeated lockouts on the water heater with no other fault found
- No hot water production because the safety cut-out has tripped and stays open
- The limit stat fails to reset, or resets and trips again almost immediately
- Continuity testing across the stat shows an open circuit when it should be closed
Before you order
- Confirm the appliance model is a Main Multipoint FF or Multipoint FF ErP
- Check the existing limit stat part number against 5111378 before removing it
- Verify the fault is with the limit stat itself and not a separate overheat cause such as poor circulation or a scaled heat exchanger
- Isolate the appliance from the power and water supply before any inspection or replacement work
Compliance
| GC number | H18-876 |
|---|---|
| Barcode / EAN | 5039177654018 |
| Alternative numbers | 1160720 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| MAIN MAIN MULTIPOINT FF | 52-467-02 | 52-467-02 | — | — |
| MAIN MAIN MULTIPOINT FF ErP | 52-467-02 | 52-467-02 | — | — |
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.
No technical questions yet for this part.
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