If the bypass valves are in the bypass position, no water will go in the HW tank from any source. City water or fresh water tank.
If I were not going to use it, I would disable the power and gas to it in case someone tries to turn it on and tag it accordingly.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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