HEATER FOR A DEVICE FOR PROVIDING A LIQUID ADDITIVE

摘要

The invention relates to a heater (1) for a device (2) for providing a liquid additive in a motor vehicle (3), comprising at least one switchable resistance heating element (4), which is connected in series with at least one switch element (5), by means of which the at least one resistance heating element (4) can be activated and deactivated, and comprising at least one permanent resistance heating element (6), which is connected in parallel with the at least one switchable resistance heating element (4) and the at least one switch element (5).