1. Remove the cover from the WATER detector, either by removing the four screws from the lid or by prying off the lid from the black box with a flat screwdriver.

2. Unplug the mositure sensor wire going to the blue circuit board as shown here:

3. Plug the float switch connector into the blue circuit board instead:

4. You may need to force the connector onto the board or gently squeeze the two pins on the board as shown below and try again