![Deta S1391WH Double Pole Immersion Heater Switch with Neon 20 Amp 'Water Heater' : Amazon.co.uk: DIY & Tools Deta S1391WH Double Pole Immersion Heater Switch with Neon 20 Amp 'Water Heater' : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/41z9Qjsf-ML._AC_SY355_.jpg)
Deta S1391WH Double Pole Immersion Heater Switch with Neon 20 Amp 'Water Heater' : 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 : 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 :](https://m.media-amazon.com/images/I/41qArOwcYzL._AC_SY355_.jpg)
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 :
![Needing help re immersion heater. I don't know what switch to switch off (no gas, only electricity) I also have a water booster in the kitchen. Thanks : r/DIYUK Needing help re immersion heater. I don't know what switch to switch off (no gas, only electricity) I also have a water booster in the kitchen. Thanks : r/DIYUK](https://preview.redd.it/aoipf9ouwpi71.jpg?width=640&crop=smart&auto=webp&s=6c1f0f3fedfad35a4a98cd1cfa4561a284dba141)