Pg 122 of the Pacific Mexico Guide book
That went through the bleeder valve and into the unit from the March pump then the strainer and then the through hull valve in the intake through hull.
Then we connected all the incoming raw water to the Mermaid 12000 btu HVAC.
Next we used up our supply of ½ inch hose to connect the out to the condenser and then ran out of hose. To finish off we just need a four foot pice from the condenser to the out through hull valve. We, in a pinch, could use almost any ½ hose as there is no pressure on it.