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Time Switches | Central Heating Controls | Screwfix.comDrayton, Danfoss, Horstmann and Siemens provide us with a range of timeswitches from their mechanical, Tempus and Economy 7 timeswitches - keeping you warm through the winter. | 1000's of products available in-store and online at low trade prices | FREE next day delivery available | FREE collection in 5 minutes | FREE Returns