All,
If you empty your tanks and leave the valves open, you will have no freezing problem.
Other thing to do is when winterizing the unit, open the low point drains until A/F comes out. Mine are immediately below my washing machine connections.
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2016 F-350 Crew Cab 4x4 Dually Diesel, 2013 38BR Office config with all options and upgrades but Ceiling Fan and Ice Maker.
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