Danfoss Randall 4033 Central Heating Programmer has the following specifications Danfoss Randall 4033 24 Hour Central Heating Programmer Product Description A range of basic electro-mechanical time controls for heating and domestic hot water systems, noted for their ease of operation. The control modules plug into a separate wallplate/terminal block, making installation and servicing as simple as possible. All models feature a 24 hour clock with colour coded ON and OFF tappets, which are simply moved to the desired position on the dial to provide 2 On and Off periods per day. Programme selection is made by means on easy to understand rotary switch on toggle switches. >>>>> BUY NOW <<<<< Danfoss Randall 4033 Prog Central Heating Programmer. Runs Heating and Hot Water Independently. Provides 2 ON Times & 2 OFF Times Per Day. >>>>> BUY NOW <<<<<