Zerofrost

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• Bulb inserted directly into the flow

  It avoids negative influences from low ambient temperatures, allowing accurate system drainage only when necessary.

• High-performance bulb

  Precision and speed of intervention guaranteed over time.

• Protection ring

  It protects the bulb from any debris suspended in the water that could cause the drain to malfunction.

• Surface treatment of the operating device

  It ensures proper operation and reliability over time.

• Very low discharge rate (max. 1.5 l/h)

  The special design of the drain guarantees dripping only. Unlike other devices whose drains are made with the classic shutter system, Zerofrost discharges only what is necessary, avoiding emptying the system. 

• Vacuum breaker valve

  It prevents the creation of negative pressures in the system or piping generated during discharge.