Vaillant
Vaillant Sensor (STB) 115235
Vaillant sensor (STB) 115235 for the MAG Mini 11-0/0 XI water heater.
At a glance
- Part type: sensor (STB) — safety temperature sensor
- Appliance family: MAG Mini
- Also known as 1387256
£25.28
£21.07 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 Vaillant sensor (STB) 115235 is a safety temperature sensor used on Vaillant MAG Mini appliances. It monitors temperature at its sensing point and signals the control circuit to shut the appliance down if the temperature rises beyond the safe limit. It is a service part for the MAG Mini 11-0/0 XI.
Signs this part needs replacing
- The appliance shuts down or locks out during normal operation
- Hot water production cuts out before the set temperature is reached
- Repeated resets are needed to restore operation
- The sensor reads open circuit or a fixed resistance when tested
- Overheat trips occur with no other obvious cause
Before you order
- Confirm the appliance model and variant against the fitment list above
- Check the existing sensor's part number and connector type before removal
- Isolate the appliance from the gas and electrical supply before any work
- Inspect the sensor lead and plug for damage or corrosion at the same time
Compliance
| Alternative numbers | 1387256 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT MAG mini 11-0/0 XI (2004) | — | — | — |
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 documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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