Immersion Heater Timers, Water Heating Timers, Immersion Control UK
Grasslin Optimum 24 Hour Plug In Time Switch OP-TIP1000
Time Switches And Immersion Heater Timers | Alertelectrical.com
HBN Digital Programmable Plug-in Timer Socket, 24 Hours/7 Day Weekly Electronic Light Timer Plug with 9 On-Off Programs and Anti-Theft Random Function (13A/3120W, 2 Pack) : Amazon.co.uk: DIY & Tools
24 Hour Plug-In Mains Timer Switch
24 Hour Plug in Timer with Pins Compact Square Design - Timeguard TS800N | eBay