4. INSTALLING DUAL CHECK VALVE (SEE FIG. 1)The RainSmartTM comes with 1 x Dual Check Valve.The Dual Check Valve must be installed between the Mains water line and Motorised Ball Valve. The arrowprovided on the Dual Check Valve must point towards the Motorised Ball Valve. Therefore the Dual CheckValve male end must be screwed into the Motorised Ball Valve female end.It is necessary to install the Dual Check Valve as described. This installation method will adhere to governmentrequirements. The installation must be carried out by a licensed plumber.5. INSTALLING FLOAT SWITCHa) Counterweight Installation: To assemble the Float Switch components. Peel the plastic clip from thecounter weight. Fit this clip to the lead at approximately 200mm from the float head (as described belowin FIG. 3 picture 1). Feed the counterweight through the lead towards the float head. Feed through untilthe counterweight rests on the plastic clip.FIG. 3