Related posts
Feature
Easy installation: just plug this device into electrical outlet. Maximum 15 amps.With the power indicator light: easy to use. CSA approved. Only for dry location.When ET-21 thermostat controller without working is put in the areas which the ambient temperature is lower than -20 degree C (-4 degree F) for 24 hours, the thermostat will be damaged and will not work.
Can be use for other applications: 120 VAC electric heaters, Engine heaters, electric heating cables and so on
Allow cable to energize below 38(3) and to turn off automatically at approximately 50(10).
Automatically turns power on and off accoring to outside air temperature.Reduce energy cnsumption, save money