Electric heating flange for horizontal installation in closed combi storage tanks SB 602 and 1002 AC. Heating flange for single-circuit operation. Temperature controller (in the control room) continuously adjustable from approx. 35 degrees C to approx. 85 degrees C, set to 60 degrees C as standard (locking position). The water in the storage tank is kept at the set temperature depending on the controller, automatic frost protection. Safety temperature limiter, built-in contactor, individually replaceable copper heating elements, mounted flange seal, flange fastening screws included. Quality and safety marks: VDE/GS mark, radio protection mark, IP24 (splash-proof)