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.