XUELILI Smart Immersion Heater Timer Switch, 2.4Ghz WiFi Water Heater Switch, Smart Wall Touch Boiler Switch with Timer Works with Alexa, Google Home, IFTTT and Smart Life APP, White, 20A, 4400W :
Amazon.co.uk: Immersion Heater Timer
16 Amp Socket box mechanical time clock switch Immersion Water Heater Timer : Amazon.co.uk: DIY & Tools
Newlec NLECO7 Economy 7 Immersion/Water Heater Timeswitch with Boost Control (Analogue) : Amazon.co.uk: DIY & Tools
XUELILI Smart Immersion Heater Timer Switch, 2.4Ghz WiFi Water Heater Switch, Smart Wall Touch Boiler Switch with Timer Works with Alexa, Google Home, IFTTT and Smart Life APP, White, 20A, 4400W :