Termostat — Mehanicheskij Shema

The wire sending power to the heater, fan, or valve.

Does not require batteries or a C-wire to run the display. No Programming: Cannot set schedules or control via Wi-Fi. termostat mehanicheskij shema

In a basic heating system (like an electric baseboard or a simple boiler control), the thermostat is wired in series with the power supply and the load. The wire sending power to the heater, fan, or valve

When the room cools down, the bimetal strip or bellows relaxes and snaps the contacts closed. Electricity flows to the load. Once the desired temperature is reached, the mechanism expands and forces the contacts open, cutting off the heat. ⚖️ Advantages and Disadvantages Advantages Disadvantages In a basic heating system (like an electric

Two different metals with distinct rates of thermal expansion are bonded together. As the temperature changes, one metal expands more than the other, causing the strip to bend. This bending physically pushes a contact to break or complete the circuit.