Microleakage protection system

Protects against the consequences of tap water damage
and detects seepage.

Horizontal or vertical installation
by simply turning the JUDO QUICKSET-E built-in rotary flange.

For drinking water up to 30 °C
Operating pressure max. 16 bar

Product benefits:

  • Protects

    Leakage protection with microleakage detection and automatic shut-off

  • Adjustable limit values

    max. time of use, max. water consumption and max. flow rate

  • Learning mode

    Automatic determination of the optimum limit values

  • Programmable opening and closing times *

    Perfectly adjustable in commercial properties

  • Three-stage holiday mode

    Automatic activation after 72 hours without water use

  • Connectivity module *

    for connection via LAN

  • Worldwide controllable *

    via app or web browser

  • Safety included *

    through encrypted

  • Reliable

    checks independently the
    Function of the shut-off valve

  • Optional floor sensor

Scope of delivery:

Leakage protection system (according to DIN 3553) with housing made of high-quality plastic (PN 16); EPP cladding protects against condensation, recyclable; turbine flow meter with Hall sensor; ball valve with servomotor and manual emergency actuation for shutting off the water pipe when individually preselectable limit values (max. water quantity, max. water flow and max.
time of water use) and microleakage detection are exceeded; automatic activation of absence (holiday circuit) after 72 hours without water use; stand-by function; adaptation to individual consumption habits via programmable opening and closing times; learning mode for automatic determination of optimum limit values.
control electronics with membrane keypad and multi-line LCD display for operation, cause of shut-off and other messages as well as for setting the leakage protection function; 230 V/50 Hz plug-in power supply unit; with potential-free fault signal; integrated connectivity module for connecting the ZEWA i-SAFE to a home network and the Internet via LAN connection; iOS / Android and browser app available; for worldwide access to comprehensive information, automated messages and functions such as setting the leakage protection system and operating the i-safe+ shut-off valve; connection option for multiple floor sensors (max. 10 pieces).

ZEWA scope of delivery: as ZEWA i-SAFE, without app connection and voice control.


Note on the use of opening and closing times: To set up and use the special control mode, it is necessary to install the JU-Control app or use the browser app and to have an active internet connection of the unit.


* only applies to ZEWA i-SAFE

Order number


8140026ZEWA i-SAFE 3/4"
8140027ZEWA i-SAFE 1"
8140028ZEWA i-SAFE 1 1/4"
8140029ZEWA 3/4"
8140030ZEWA 1"
8140031ZEWA 1 1/4"


JUDO floor sensor incl. connection cable 2 metres
Order number 8203554

Each additional floor sensor (max. 9 pieces): JUDO floor sensor incl. connection cable 2 metres and branch plug.
Order number 8203556

JUDO extension cable for floor sensor, 2 metres
Order number 8203551

JUDO soil sensor incl. connection cable 5 metres
Order number 8203552

JUDO soil sensor incl. connection cable 10 metres
Order number 8203553

JUDO cable for external fault signal, 10 metres
Order number 2200717

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