1. Spayring nozzle head with at least one spraying nozzle and with an electrical heating arrangement, characterized in that there is additionally provided a non-return valve (4) opening towards the spraying nozzle (10) and connected with a heat conduction block (12) against which block there abuts a heating element (PTC element 13) of the electrical heating arrangement, said block at the same time being constructed for heating the spayring nozzle (10).
