DTR-E is used for snow melting and frost protection system control in residential house stairs, entrances and driveways.
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.
ETR2-1550 is used for: frost protection control of roof gutters and downpipes; ice and snow protection control of steps, entrances, driveways, parking lots, ramps, pathways and bridges for small ground areas.
ETO 2-4550 thermostat is used for: frost protection control of roof gutters and downpipes; frost protection control of steps, entrances, driveways, parking lots, ramps, sideways and bridges.