ETI-1221is designed for pipe tracing of high temperature industrial lines temperature and other heating systems control.
The thermostats
ETN-1999 thermostat is designed to control temperature of room heating systems, pipe tracing, roof gutters and downpipes frost protection, soil frost protection and cold store floor frost protection.
ETV-1991 thermostat is designed for heating system control, industrial pipe line tracing and pipe frost protection. The function of temperature setback (–5 °C) is activated with the help of additional relay.