“HERZCULES”, HERZ thermostatic head, robust design to prevent vandalism, theft and unauthorised operation

With liquid sensor (hydrosensor), set point range 8–26°C, with automatic frost protection. Mounting and removal only possible with tightening tool 1 9554 01 and Allen key 1 6616 00 (both must be ordered separately). Setting of the set point with unlocking tool 1 9554 00 (enclosed), set point adjustment is locked. Setting indicator remains concealed in locked position.