Now with a new compact interface that is perfect for newer installations, as well as an adaptor plate to make retrofitting a simple matter of plug and play. Electronic on/off switch.
Horstmann Secure E7+ Smart Immersion Heater Control
Secure E7+ Smart Immersion Heater Controller, Bluetooth Hot Water Timer, 7-Day
Secure E7+ Smart Capable Immersion Heater Controller
Horstmann/Secure H3747 4 Channel Wireless Smart WiFi App Phone Programmable Room Thermostat (Replaces H37XL & H47XL) - Hanicks
HORSTMANN SECURE CENTAURPLUS C27 REPLACEMENT PROGRAMMER *READ DESCRIPTION*
