M_R_E_ExplorerMar 31, 2018HelpMy neighbor was filling up her black tank to flush it and forgot to open drain and flooded her trailer. When this happened, her Atwood hot water tank over heated and pressure relief valve opened and d...Show More
Old-BiscuitExplorer IIIMar 31, 2018IF water heater overheated......Pressure in tank could force water back out the cold inletThen when T&P Relief Valve opened the pressure would BLOW water and Steam out until T&P Closed.But until OP replies back with answers to questions raised........?????