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IMM24 APT 24hr Immersion Time Switch – Dwyers Electrical
Smart Light Switch, Smart Home WiFi Switch 20A Boiler Water Heater On Off Timer Panel APP Remote Control Time Setting Touch Switch for AC110 ~ 240V - Walmart.com
Electronic Boost Timer 15min to 4 Hour | Timeguard (TGBT4N)
Smart Immersion Heater Timer Switch, 2.4ghz 40a 8000w Wifi Water Heater Switch, Smart Wall Touch Boiler Switch Compatible With Alexa, Google Home, Sma | Fruugo NO
LGA IMMDIG Selectric Digital Immersion Heater Time Switch Socket Box Mounted
XUELILI Smart Immersion Heater Timer Switch, 2.4Ghz WiFi Water Heater Switch, Smart Wall Touch Boiler Switch with Timer Works with Alexa, Google Home and Smart Life APP, White, 20A, 4400W : Amazon.co.uk:
Buy TIMEGUARD 24hr Timer Immersion Heater Switch (TS900B) from £24.99
Smart Immersion Heater Timer Switch, 2.4ghz 40a 8000w Wifi Water Heater Switch, Smart Wall Touch Boiler Switch Compatible With Alexa, Google Home, Sma | Fruugo NO