LK 556 AntiFreeze
Optional insulation for
maximum energy savings
and reduced heat loss
No action is required to
reset the valve
Integrated vacuum valve
for quick drainage of
the heating system
Maintenance-free
Safeguards the system
from freezing
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Protect your heating system from freezing with the
LK 556 AntiFreeze. Designed for air/water heat
pumps, it automatically drains the system if
temperatures dip below +3°C, ensuring your heating
system remains safe and operational. Boost energy
efficiency with available insulation, and enjoy the
benefits of a maintenance-free valve.