Model # 43005A MECHANICAL WALL THERMOSTATVoltage: 24 VAC (30 VAC max)Switch rating: Heating - .15 to 1.2 amps/ Cooling 0 to 15 ampsTemperature range: 50 °F to 90 °F ( 10 °C to 32 °C)"Non-Mercury"All models offer our "quite switching" snap action design and require no additional sub-base for heating, cooling or heating/cooling installation. All deliver maximum performance at a value price! All Mechanical Thermostats have a one year warranty.Features/BenefitsVertical heating/cooling thermostatFor use with most 4 or 5 wire 24 VAC systems and single-stage heat pumpsAdjustable heat anticipatorElectric Streng: 2000V/Min