Contents hide 1 2022 Coachman Galleria CLASS B MOTORHOMES Plumbing General Information 2 General Information 2.1 PLUMBING OVERVIEW 2022 Coachman Galleria CLASS B MOTORHOMES Plumbing General Information     General Information PLUMBING OVERVIEW An RV’s plumbing system has basically two water systems: the fresh water system and the waste water system. The fresh water system … Continue reading 2022 Coachman Galleria CLASS B MOTORHOMES Plumbing General Information Owners Manual