HEIMEIER Thermostatic Head K with direct connection for Vaillant - Ventile HEIMEIER Thermostatic Head with direct connection to Vaillant thermostatic valve bodies with connection diameter approx. 30 mm, series from 1987. With built-in Fühler and two economy clips. Scale cap white RAL 9016. Liquid filled thermostat. Stable control behavior even with small design rule differences (<1 K). Corr. EnEV or DIN V 4701-10. Upper and lower limits or marking of the temperature range or blocking of a setting by two economy clips. Hidden upper and lower limit of the temperature range or blocking of a setting by stop clips. Front adjustment aid and tactile markings for the visually impaired. Direction of rotation indication and symbols for basic setting and night reduction. Brief information with the most important settings. Setpoint range 6 to 28 degrees C. Note 1-5. Frost protection. Max. Sensor temperature 50 Grd C Heimeier : Heimeier Type: K Direct connection: Vaillant Art . No. 9712-00500