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

Please use Google Chrome, Firefox, Safari, or another browser to access 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 do you unlock a delta thermostat?

Press and hold the FAN button for 5 seconds to access the Menu screen. To turn the display lock off, go back to the advanced system settings and select the SYSTEM menu. The heat/cool setpoint Delta has a range of 3 to 15 degrees.

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