Check the listing for details. Lux Easy Temp THC15 Heating/cooling Mechanical Thermostat lighted display. Color: White, Condition: New. Listed at 18.95 USD. The Lux Easy Temp THC15 is a Mercury-Free Mechanical Thermostat designed to provide precise control of your heating and cooling systems. With its durable plastic construction and classic white color, this model blends seamlessly into any wall. The round shape and wall-mounted design ensure a compact and easy installation, while the lit display allows for clear readings at a glance. This non-programmable thermostat features a 2-wire configuration and is compatible with systems that have one heat and one cool stage. The Lux-THC15 is crafted in China and offers a simple, mechanical control style for those who prefer a traditional interface. Enjoy a comfortable environment with this reliable and user-friendly thermostat.