Programmable Thermostat

The Resideo TH140-28-01-B/U is a versatile line and low voltage 7-day programmable electronic thermostat engineered for single-stage heating systems, including electric heat and hot water applications. This reliable control solution accommodates voltage compatibility ranging from millivolts to 24/120/240 VAC, making it suitable for diverse HVAC installations in residential and light commercial settings. This programmable thermostat features independent temperature settings for all 7 days of the week, with precision accuracy of plus or minus 1 degree Fahrenheit per day. The easy-to-read LCD display provides real-time room temperature monitoring in 0.1-degree increments in both Celsius and Fahrenheit scales, ensuring precise climate control. Power is supplied by two standard AA alkaline batteries, with a convenient low battery indicator that provides a 60-day advance warning before replacement is necessary. The unit measures 4.9 inches in length by 3.8 inches in width by 1 inch in depth, designed for vertical wall mounting in a clean white finish that complements any interior. Operating specifications include a temperature range of 32 to 122 degrees Fahrenheit and humidity tolerance up to 95 percent non-condensing, accommodating most standard indoor environments. Ideal for facilities managers, HVAC contractors, and building maintenance professionals seeking reliable temperature control, this replacement thermostat offers dependable performance and user-friendly programming. Compatible with Resideo and Honeywell Home systems, it delivers consistent comfort management while maintaining energy efficiency through customizable scheduling capabilities.