Programmable Thermostat

This replacement thermostat is compatible with the Resideo TH1110DV1009/U and similar models, offering reliable temperature control for HVAC systems. Part of the PRO 1000 Series, this non-programmable vertical thermostat is engineered for straightforward operation in conventional heating and cooling applications, including forced air furnaces (electric or gas) and heat pump systems without auxiliary heat. The unit manages single-stage heating and single-stage cooling operations, making it suitable for basic residential and light commercial installations. The thermostat features a backlit LCD display measuring 1.32 square inches, ensuring clear temperature readability in various lighting conditions. Intuitive slide switches provide simple control of system mode (Heat-Off-Cool) and fan operation (Auto-On), requiring no programming knowledge for end users. Compact dimensions of 4 11/16 inches height by 2 7/8 inches width by 1 1/8 inches depth allow for easy installation in standard wall openings. Flexible power options enhance installation versatility. The unit operates on 24 VAC hardwired power or can function independently using two AAA batteries, providing backup capability during power interruptions. Electrical specifications include 20-30 VAC input rating with 750 mV capacity and running currents of 0.02-1 A for heat and cool cycles at 50/60 Hz frequency. The temperature control range spans 40-99 Degrees F, with heating operation up to 90 Degrees F and cooling capability throughout the range. This replacement thermostat delivers cost-effective climate management for facilities seeking reliable, maintenance-free temperature regulation without complex programming features.