Supply Voltage

6V DC (230V AC version optional)

Battery life

5-6 years with low cost alkaline battery pack supplied

Low battery action

Buzzer tweets near end of life then disables valve opening when critical

Motion Sensing

PIR* with domed fresnel lens

Detection area

100 x 60 degrees beam width

Detection range

5m ahead, 2m at edge of beam. Optional reduced sensitivity setting

Control valve

Magnetically latching solenoid, 2mm orifice, 15mm compression fittings

Max. water pressure

12 bar

Min. water pressure

1m head; optional 4mm orifice valve available for very low pressures

Fill time

0-31 minutes, 1 second resolution

Flush cycle time

20, 30,40 or 60 minutes set via switches

Maintenance flush

None, 8, 12 or 24 hour intervals

Manual flush

Hidden button on front of unit gives instant fill, enabled or disabled via internal switch

Battery check

Hold down manual flush button to show battery state

Visual indication

A red light in the dome flashes once on manual flush and at start of each cycle

 *PIR - Passive InfraRed detection, an electronic device which detects movement of body heat.


 A leaflet including the Smartflush specification can be found by clicking the link: Springwell Smartflush Leaflet


Smartflush Water Saving System