Click to expand Tap to zoom 86900300: ESBE TSA Contact Thermostat 112 230V AT-I by ESBE SKU 86900300 ESBE TSA 112 230V AT-I Internal and External setting On/Off principle Easy installation The ESBE TSA100 is a ON/OFF thermostat, consisting of temperature probe connected to a switch. The switch can be used to control ON/OFF, based on the temperature measurement, any electrical device e.g. pump, boiler, etc. ESBE | TSA100, Contact thermostat Accessories