True 7 day programming with up to 6 temperature/time settings per dayParty mode provides a manual override for 1 to 23 hoursDay off mode allows either today or next day to follow the Sunday programHoliday mode allows a frost setting to be used for up to 99 daysOptimum start allows user to program target time & temperature. The thermostat then learns when the heating needs to be switched on depending on actual temperature.Cycle rate and minimum on time can be set to maximise boiler efficiencyHeating or air conditioning modesPump exercise optionUpper & lower temperatures can be setPowered by 2 AA batteries (supplied); suitable for 2 wire installation
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RS Stock No.: 456-721
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