Programmable Thermostat

This non-programmable digital thermostat serves as a reliable replacement for the Resideo TH1110DH1003 and compatible models, delivering straightforward heating and cooling control for residential HVAC systems. The unit controls a single heat stage and single cool stage, making it ideal for conventional systems and heat pumps without auxiliary heat components. The thermostat operates on either 20-30 VAC or 750 mV (millivolt) power, providing flexible installation options across various HVAC configurations. Its digital LCD display features a backlit interface for easy visibility, while manual mode selection allows operators to switch between heat, off, and cool settings with simple operation. Visual status indicators clearly display when heating or cooling is actively running, eliminating guesswork during system operation. Temperature control ranges from 40 Degrees F to 90 Degrees F for heating applications and 50 Degrees F to 99 Degrees F for cooling, with a precision tolerance of plus or minus 1 Degrees F to maintain consistent comfort levels. This accuracy and range make it suitable for most residential climate control needs across varying seasons and conditions. As a non-programmable model, this thermostat prioritizes simplicity and durability over complex scheduling features, making it an excellent choice for applications requiring basic, dependable temperature management without advanced programming capabilities. Its robust design and straightforward functionality ensure long-term reliability in standard HVAC installations. This replacement part maintains compatibility with original equipment specifications while offering economical value for system maintenance and upgrades.