Herschel Commercial Controllers - Instructions Richard Martin 01 February 2023 16:50 Updated 3kW Variable Power Controller 6kW Soft Start Controller Related to Thermostats Controls Related articles Herschel iQ Thermostat Instructions Herschel XLS Thermostat Instructions Ensure your Home is "Smart" ready Select XLS Panel not heating up Herschel Ultra iQ Smart energy-saving accessories - Instructions