with liquid sensor (hydrosensor), set point range 8–28°C, automatic frost protection at approx. 8°C. Limitation and locking of the set point range via limiting pins 1 9551 00 possible (must be ordered separately).
Connection diameter 31 mm.
Code | Description |
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1 9260 11 | HERZ design thermostatic head for Vaillant thermostatic valves |
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