Just move the lever to the full tank (with valve open), turn off the valve to the empty tank, get it filled, return to the rack, and then turn it back on. Back and forth between the 2 tanks like that works great.
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Chap , DW Joy, and Fur Baby Sango
2017 F350 Lariat CCSB, SRW, 4x4, 6.7 PS
2017 Grand Design Reflection 337RLS
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