Programmable Thermostat

This replacement thermostat is compatible with Resideo TH141HC-28 systems and similar 24 VAC applications. Designed for single-stage heating and cooling control in conventional HVAC systems, this low-voltage programmable unit features automatic changeover functionality to maintain optimal temperature regulation while minimizing unwanted temperature fluctuations. The 7-day programming capability allows customized scheduling for different days and time periods, making it ideal for commercial buildings, offices, and institutional facilities requiring flexible climate control management. The unit measures 4.9 inches in height by 3.8 inches in width by 1 inch in depth, fitting standard wall-mounted installations with its clean white finish. It operates on two AA alkaline batteries, with an intelligent low-battery indicator that provides advance warning up to 60 days before power depletion, ensuring uninterrupted system operation. The thermostat supports heating mode operation from 40 to 85 Degrees F and cooling mode from 60 to 105 Degrees F, accommodating most standard commercial climate control requirements. A precision LCD display provides temperature readings in 0.1-degree increments in either Celsius or Fahrenheit, enabling accurate temperature monitoring and control. The device is rated for maximum output loads of 1.5 amperes at 30 VAC per terminal, making it suitable for standard low-voltage HVAC applications. This replacement unit offers reliable performance for facilities requiring dependable temperature management without complex zoning or multi-stage control requirements, serving as a cost-effective solution for maintaining comfort in single-zone commercial environments.