090 - Snow/Ice Sensor, In-slab, 65 Ft WireTekmar 090 Snow Ice Sensor, In slab, 65 Ft Wire The Snow Ice Sensor 090 is an in ground sensor used with tekmar snow melting controls to automatically detect snow or ice on a driveway or walkway. The 090 has 65 feet (20 m) of wire. This product can be used in applications ranging from residential driveways to commercial building fronts such as emergency access entries. This sensor allows tekmar snow melting controls to automatically operate the snow