That is not a 3 position switch. It’s a thermostat, without a temperature scale. Turn it all the way counterclockwise (off). Then slowly clockwise until you hear a slight click. That’s the thermostat clicking on as you reach the current room temperature. Continue to turn clockwise 1/4”. This will be slightly warmer than the current temperature. It’s very sensitive. 1/4” is a large range, you’ll want to barely nudge it to adjust temp. Mark your desired level with a sharpie and you’re good to go.
flyingmullet t1_ixr5h4h wrote
Reply to Baseboard heat only turns on when set to medium or higher by [deleted]
That is not a 3 position switch. It’s a thermostat, without a temperature scale. Turn it all the way counterclockwise (off). Then slowly clockwise until you hear a slight click. That’s the thermostat clicking on as you reach the current room temperature. Continue to turn clockwise 1/4”. This will be slightly warmer than the current temperature. It’s very sensitive. 1/4” is a large range, you’ll want to barely nudge it to adjust temp. Mark your desired level with a sharpie and you’re good to go.