How often does a yacht watermaker need servicing?

Question

Accepted Answer

Pre-filters need replacement every 1-3 months depending on water quality. Membrane pickling (preservation) is required whenever the unit will sit unused for more than 5-7 days. Membrane replacement is needed every 3-5 years or when output drops below 80% of rated capacity. High-pressure pump rebuild intervals vary by brand — typically every 3,000-5,000 hours. The single most common cause of premature membrane failure is inadequate pickling during lay-up periods.

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