We are the new owners of the Thompson Trawler 44’ Refuge II (1978) and need some information on what kind of black water system they used on these boats
I wonder if, in 1978, the boat even came with a blackwater tank. If it did, it may have been modified in the 46 years since build; if it didn`t, one may have been added. Best course is to inspect and locate. As you bought recently, your surveyor may be able to help, there may even be something in the survey.