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Riddle me this.

My holding tank (clean water thank goodness) is evacuatng out the port vent, directly upon flushing the vacu-flush. Port side has two vents, evacuation comes out the 'forward of the two vents'

My BW manual shows the 2 port side vents to be 'Port tank and Center tank vents" however, later in the manual a diagram also shows the forward vent on port to be the waste vent....which must be accurate as this is where the water is flushing out, under pressure from the flush.

Also found what appears to be toilet over-flow in the forward bildge, which evacuates properly off the starboard side.

Recent work:
- Had Center aux tank drained and closed
- Had 'vent guards' installed on both sides to prohibit sea water from sloshing up, into a fuel tank vent (good idea).
- Had boat repowered professionally

Robb Huff
2004 Conquest 305
San Diego CA