Plumbing for seawater circuits is critical. Centrifugal air-conditioning pumps must be below the waterline to prime, and seawater hoses must rise continuously uphill from the through-hull fitting to the sea strainer and to the pump, and then continue uphill with a single high spot at the air conditioner.
Having a good watermaker onboard will make cruising your boat a lot easier. However maintaining one is not as easy as some people think. Never fear. To learn the most helpful maintenance tips for keeping your watermaker running properly, click here. ▶