Chapter 6: Plumbing
Drain Systems
Deck Drains
• Water on the deck is drained overboard through the deck drains.
• Keep the deck drains free of debris.
Gray Water Gravity Sink Drains
The head sink and galley sink are above the waterline and are gravity drained overboard.
Sump Pump System
• The shower and the air conditioner (if
equipped) drain into a sump pump box.
• An autofloat switch turns On the sump
pump when the drain water rises to a preset
level, and the drain water is pumped over-
board.
• Read the sump system instruction sheet,
paying special attention to the maintenance
and cold weather instructions.
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Discovery 266 • Owner's Manual Supplement