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BW 153 V ERT

Electronic regulating thermostat.

  • Description
  • Technical Data
  • Designs

V-Pump housing

Non-return valve and ball shut-off valve installed, with union set, standard with screw / brazed fitting 1/2" external / ø 15 internal.


Control module

Electronic regulating thermostat

Engagement temperature can be selected using continuously adjustable switch points between 35 °C - 90 °C, pump disengagement switch point approx. 7 °C above engagement temperature, with function display .

Shaftless spherical motor

The spherical motor does not feature a revolving bearing shaft, the stator transfers the magnetic field to the rotor located in the water-carrying part of the pump. The water-carrying part of the pump is hermetically separate from the stator by a spherical cap.

The rotor bearing is self-adjusting and lubricated by the medium. The rotor can be easily cleaned or replaced.

Technical Data

Max. delivery head1.25 m
Max. delivery rate640 l/h
Compression strength10 bar
Temperature resistance95°C
Pump housingbrass
Shaftless, blocking current
resistant spherical motor
Voltage230 V~/50 Hz
Power consumptionmax. 26 W
Protection classIP 42
Rotorstainless steel, noryl
Separating cap, bearing pinstainless steel

Pump graph


Designation Fitting Kit Order No.
BW 153 V ERT - 411-211-060
BW 153 V ERT 1/2" external / ø 15 internal 411-211-061
BW 153 V ERT 3/4" internal 411-211-062
BW 153 V ERT 1/2" internal / 3/4" external 411-211-063
BW 153 V ERT ø 22 internal 411-211-064
BW 153 V ERT ø 15 internal - P15 411-211-068

The fittings are of red brass for drinking water installations with CU press-fit connections, for CU pipes according to DIN EN 1057, tested according to the DVGW-Worksheet GW 392 of the brands SANCO, WICU, of the KM Europa Metal AG, with DVGW test symbol.