Epiphany Sailingvideo
Were sinking! Seawater coming in rotted out sink drain on Sailboat C&C 39
15 January 2025 · 5 min · 605 views
What this video covers
A corroded sink drain on the C&C 39 *Epiphany* allowed seawater to flood the bilge while the boat sat heavily loaded with provisions.0:30 The threaded fitting had rusted through at the point where the sink drain connects to the overboard through-hull, and the high-water alarm caught the intrusion before it became critical.0:50 The seacock was closed to stop the flow, then all provisions were cleared from under the sink to access the fitting.1:02 The corroded screw collar was frozen solid and wouldn't turn, so a grinder with a cutting wheel split it in two passes, freeing the broken piece lodged in the plastic tube.2:36 The replacement fitting is stainless steel to prevent repeat corrosion.1:27 Installation used butyl tape under the flange and rubber gasket, with silicone applied to the elbow joint.3:11 A key installation note: placing the rubber gasket above rather than below the flange raises the drain above sink level and causes pooling — the gasket belongs underneath.3:41 The repair confirmed that a stainless drain strainer and a nearby accessible seacock are worth installing before failure, not after.
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