Non-Programmable Home Thermostat — 1 Heat / 1 Cool Single-Stage System, Room Temperature Monitor (LCD Blue Backlit Screen)

For conventional single-stage HVAC: supports up to 1 Heat and 1 Cool (gas/oil/electric furnace, ventilation and air conditioning). This non-programmable thermostat features an LCD Blue Backlit Screen and room temperature monitoring with accurate control to +/-2-degree F for consistent comfort. Room temperature display range: 32°F to 99°F. Temperature control range: 44°F to 90°F. Incompatible systems (do not use with): multistage setups (1H/2C, 2H/2C); HVAC heat pump systems (2H/1C, 4H/2C); PTAC units; 3-wire hydronic (hot water) systems; dual fuel/hybrid heating. Also not compatible with line voltage systems (120-240V electric baseboards heat), mini split heat pump air conditioner, or RV air conditioners mach and roughneck series. Buyer's note: Before purchasing, compare the product image and description with your existing thermostat. Confirm the mounting base supports only 2 to 5 wires and check dimensions to ensure the new unit will cover any wall marks left by the old thermostat.