Everyone one is different but I’d be looking at the bottom of the fresh water tank for a drain valve or a simple screw in plastic plug
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Gerry Z
2018 Forest River Heritage Glen 272RL
2018 Ford F150 Lariat 3.5 Ecoboost Max Trailer Package
Curt Trutrack WDH
HD Roadmaster Active Suspension
3200 Firman Generator/Inverter