Sorry, the web browser you're using is not supported by this website.

Please use Google Chrome, Firefox, Safari, or another browser to access homex.com. Thank you.

Skip to main content

We use cookies to enhance your experience. For details on how we use cookies, collect data, & how to manage your consent please see our Cookie Policy & Privacy Policy.

How does a thermostat relay work?

The two transformers provide the energy that the thermostat uses to connect the different relays. The relays in turn, turn on the energy to the fan and the air conditioning or the oven. From there, it passes through a track on the circuit board to the other branch of the switch as well.

Let's Get It Fixed!

Our virtual experts can diagnose your issue (for free!) and resolve simple problems.

What Did You Think of This Article?

What Did You Think of This Article?

Shop Recommended ProductsShop HomeX Recommended Products