The OTH4000 series offers a range of 2-wire line voltage thermostats that provides great energy savings over conventional thermostats.  Perfect to control baseboards, radiant ceilings, convectors or fan-forced heaters, these thermostats electronically measure the amount of heat required to maintain room temperature setting precision within +/-0.5 deg C.  The digital screen displays room temperature at all time Digital screen with white LED backlit Display fan-forced heater mode and keypad lock Choice of temperature display format deg C or deg F Temperature setpoints recorded permanently in case of a power outage Ability to set minimum and maximum setpoints