Fig. 1: Installation method for dosing from a dispensing vessel including check valve
The check valve will prevent water flowing back down the pressure hose. In any case, the outlet
should always be positioned above the surface level of the receiving vessel. This prevents the
storage tank syphoning out should the pump stop with the drive axle in a horizontal position.
Fig. 2: Installation method for operating a Calciumreactor or Nitratereductor with the SP
1500/3000
The pump should be mounted above the aquarium or sump to prevent any problems that may
arise should the pump hose leak. The outlet should always be positioned above the surface level of
the aquarium.
1. Aquarium
2. Dosing pump
3. Dispensing vessel
4. Check valve
1. Aquarium
2. Dosing pump
3. Calcium reactor
4. Check valve
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