Non-Programmable Home Thermostat — Single-Stage 1H/1C, 2-5 Wire, Dual-Power (24VAC or 2×AAA)

Check compatibility first: compare the product images and this description with your existing thermostat wiring (2-5 wires) and confirm the physical dimensions will cover any marks left by the old unit. Intended use: Designed for conventional single-stage residential HVAC systems — up to 1 Heat and 1 Cool (1H/1C) including gas, oil, or electric furnaces and basic ventilation/air conditioning setups. Note: This unit is non-programmable and built for single-stage heating and cooling only. Incompatible systems: Does not work with multistage systems (1H/2C, 2H/2C), HVAC heat pump systems (2H/1C, 4H/2C), PTACs, 3-wire hydronic (hot water) systems, dual fuel/hybrid heating, line voltage systems (120-240V electric baseboards heat), mini split heat pump air conditioners, or RV air conditioners (mach and roughneck series). Key features and controls: - Dual powered by 24VAC Power or 2 AAA Batteries; no common wire (c-wire) required on most systems. - Easy-to-read 5.0 sq. in display with large characters and blue backlight; large separate buttons for simple operation — ideal for middle-aged and elderly users. - Separate heating and cooling swing (Cycle Rate) setting plus room temperature calibration adjustment. - Room temperature display range: 32°F to 99°F. Temperature control range: 44°F to 90°F. - Low battery indicator and A/C 3 minute compressor delay protection (selectable on or off). - Includes room temperature and humidity detection to help the system maintain comfortable indoor conditions. Support and warranty: 2-year worry-free warranty with 24h customer service. Tip before buying: verify that the wiring terminal layout on this thermostat matches your old thermostat’s ports.