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  • Wilo DRAINLIFT M2/8 (1~) NRV
  • Wilo DRAINLIFT M2/8 (1~) NRV
  • Wilo DRAINLIFT M2/8 (1~) NRV
  • Wilo DRAINLIFT M2/8 (1~) NRV
  • Wilo DRAINLIFT M2/8 (1~) NRV
  • Wilo DRAINLIFT M2/8 (1~) NRV
SKU: 2531400

Wilo DRAINLIFT M2/8 (1~) NRV

Ready-to-connect, fully floodable automatic sewage lifting unit in the form of a two-pump unit with automatic changeover from standby to peak load operation. Pump motor with a dry rotor in a single-phase version with a stainless steel housing and a sensor for monitoring the temperature of the motor winding. Gas-tight and water-tight plastic collection tank with sloping bottom to prevent deposits and guarantee reliable operation, optional inlets and level control with float switch. Central pressure connection with integrated branch pipe, non-return valve and valve actuation device.


Control device with microprocessor control with

  • LED indicators for indicating the operating status and error messages;
  • adjustable turn-off delay time;
  • built-in and non-volatile alarm;
  • 1 potential-free contact for connecting a collective fault signal (SSM).


Contents of delivery

  • Ready-to-connect sewage pressure unit with switchgear and plug
  • 1 seal for inlet pipe DN 100
  • 1 hole saw for inlet DN 100
  • 1 shaft seal for connecting a diaphragm hand pump or connecting to a Ø 50 mm supply line
  • 1 collar for ventilation connection DN 70
  • 1 flange adapter DN 80/100 with flat seal, flexible hose connector and mounting material for connection to a DN 100 pressure connection
  • Battery 9 V
  • 11 noise-absorbing strips for silent installation
  • Fixing material
  • Permissible scope  
    Max. ambient temperature, °C 40 
    Max. allowable pressure in the pressure pipe p, bar 1.5 
    Max. temperature of the pumped liquid, short-term up to 3 min T, °C 60 
    Operating mode per pump, % S3-15, 80 sec
    Fluid temperature T, °C +3 ... +40
    Weight, approx. m, kg 91 
    Dimensions Width x Height x Depth, mm 810 x 505 x 780 
    Diagonal dimensions, mm 970 
    Max. switching level V, l 40 
    Min. level On, mm 180 
    Total volume V, l 115 
    Cable length to control device/plug, M 4/1,5
    Cable connection type Sectional
    Plug type With protective contact
    Pump housing EN-GJL-250
    Motor housing 1.4301
    Tank material PE
    Working wheel PUR
    Mechanical seal SiC/SiC
    Pump shaft 1.4404 [AISI316L]
    Order data  
    Weight (gross), kg 115
    Weight (net), kg 91
    Type of packaging Europallet
    Height (gross), mm 795
    Height (net), mm 505
    Length (gross), mm 1200
    Length (net), mm 810
    Product Wilo
    EAN number 4048482058290
    Pump type M 2/8 RV
    Colour silver/black
    Price group PG7
    Width (gross), mm 800
    Width (net), mm 780
    Motor data  
    Insulation class F
    Max. switching frequency per pump 45 
    Rated speed n, rpm 2,900 
    Rated current IN, A 2x 5,8 
    Network connection 1~230 V, 50 Hz
    Power consumption P1, kW 2x 1,3 
    Degree of protection IP 68
    Start type Straight
    Number of poles 2
    Maximum working pressure pmax, bar 1.5 
    Discharge pipe, d DN 80
    Supply pipeline DN 40/DN 100/DN 150
    Connection standard EN 1092
    Air removal DN 70
    Flanges (to EN 1092-2) PN PN 10