The XL824 7-day programmable control is wi-fi enabled, compatible with almost all HVAC systems, and can be controlled from your smartphone or tablet.

Reliable Operation

In addition to the benefits of the precise calibration and maintenance alerts of the communicating system, materials for all components are tested again and again for long-lasting performance and reliability.

Contact and Control

Not only does the XL824 monitor indoor and outdoor temperatures, so you can adjust your system to be energy-efficient, but it also tells you when it’s time to change a filter or schedule routine maintenance.