Controls
Frost Thermostat
In short
Frost Thermostat: Freeze protection - activates heating when cold. It has 3 terminals: L (Live), N (Neutral), SL (Switched Live).
If this is your home: this page is written for heating engineers. Mains wiring and gas appliances are not DIY jobs; call a Gas Safe registered engineer. If you smell gas, leave the building and call the National Gas Emergency Service on 0800 111 999.
Terminals
| Terminal | What it is |
|---|---|
| L | Live |
| N | Neutral |
| SL | Switched Live |
Where it connects
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