[jclark003]

I have changed all my sanitation lines except the waste removal line. If I remember correctly on my 43 open it had limited accessibility through access panels, one being inside of the hanging locker. Not sure about the 43 Sovran but would look behind cabinets and lockers for panels that can be unscrewed. Would also drop Tiara a note and see if they have a service bulletin available. Otherwise not an easy job.

Tiara uses pretty good hoses so I'm kind of surprised to hear of one leaking especially since your boat isn't that old. Maybe abrasion related? Assume you've verified it's not an obstructed vent or filter?