WEether I am dry or wet winterizing I always blow out the lines. If I am wet winterizing I will blow out the lines through the city water connection and I will keep the air connected at approx 45 psi until all water is removed from the ice maker and until a cycle is run through the washing machine. Yes this may take some time and I plan accordingly. Once this is done if it is time to wet winterize I will then by-pass the water heater or sets the Nautilus P3 to winterize (by passes water heater) and suck in the antifreeze.
This process has worked fine for three motorhomes and about 12 years.
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Dave
US Army (Ret)
2020 Entegra Accolade 37TS
2019 Jeep Grand Cherokee Trailhawk (Toad)
FMCA - F432054
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