Truma Ultraheat 125°C temperature control device - spare part for the electric supplementary heater
- Genuine Truma 125°C temperature control device for the Truma Ultraheat electric supplementary heater. Typical fault: the heater cuts out and does not restart until the interior is very cold. Truma part number 30030-65100.
The Truma 125°C temperature control device is a genuine spare part for the Truma Ultraheat electric supplementary heater. It switches the heating element off at 125°C. It is marked L125, while the similar-looking 175°C temperature limiter is marked L175 and has a different part number.

Key information
- genuine Truma part
- for Truma Ultraheat
- trip temperature 125°C
- marked L125
- part number 30030-65100
Before you order
Disconnect the 230 V supply before replacement. Work on 230 V installations should be done by a qualified electrician or Truma service. Do not confuse the 125°C control device with the 175°C temperature limiter. Before ordering, compare the Truma part number with the part in your appliance.
Related products
Technical data
| Parameter | Value |
|---|---|
| Manufacturer | Truma |
| Type | temperature control device |
| Trip temperature | 125°C |
| Marking | L125 |
| Fits | Truma Ultraheat |
| Truma part number | 30030-65100 |
Questions and answers
How do I tell the control device from the limiter?
The control device is marked L125, the 175°C limiter L175.
What symptom points to a faulty control device?
The electric heating cuts out and does not restart until the interior has cooled down a lot.
Can I replace it myself?
Work on 230 V should be done by a qualified electrician or Truma service.
Manufacturer
Truma Gerätetechnik GmbH & Co. KG, Wernher-von-Braun-Straße 12, 85640 Putzbrunn, Germany.





