Lexicon
Limit sensor (overfill protection)
Safety component on the heating oil tank that stops filling in time , mandatory during delivery.
Definition
Overfill protection
The limit sensor signals the tanker when the tank reaches its permitted level and stops filling automatically. This prevents overflow.
It is legally required and part of water protection , escaping heating oil would be hazardous to water.
In brief
- Purpose: prevents overfilling during delivery.
- Mandatory: no filling without a working limit sensor.
- Maintenance: have it checked regularly.
Related terms: Water protection rules (AwSV).
Source
- Heating oil , Wikipedia