Controls the temperature in a room turning on or off the furnace or air-conditioner.- Temperature is set manually by a dial.
- One type is low-voltage. It uses power from a transformer that converts 120-volt power into 24 volts.
- Line-voltage thermostats are another type, and use the same power source as the units they control.
Dial Thermostat
Related FAQs
DIY Encyclopedia
Project Finder
Store Locator
Find an independent merchant near you.



Comments (0)