Winterize 2023 400 without antifreeze?

DaveC
DaveC Posts: 83
in Heating/Plumbing & Winterizing
I have used the blowout method on my 2017 Outback with no issues.  I am considering doing the same with my 2023 400. Are there any specific issues with the blowout method on the Nautilus equipped 400's? Does blowout clear the Nautilus system?  Am considering antifreeze in the toilet valve.  TAB wintered is in a non heated storage facility in Boise, Idaho.
Thanks
2017 T@B 320 Outback 2023 400 BD (IdahoTabato) pushing a 2023 Volvo XC90

Comments

  • qhumberd
    qhumberd Posts: 871
    If you have traps in the sink plumbing and under the shower, those should have some antifreeze. Some of the models have Hepvo type drains rather than traps. Mine has some of each. The blade valve on the black tank and grey tank need some protection too.

    2019 T@B 400 Boondock Lite towed by 2016 5.7L Toyota Tundra

  • Sharon_is_SAM
    Sharon_is_SAM Posts: 10,035
    @DaveC - just so you know, nuCamp does not recommend using just the blow out method for models with the Nautilus.  I suspect there is a greater chance of water pooling in the Nautilus plumbing resulting in freeze damage.  Also, it is easy to fill only the plumbing lines with antifreeze, avoiding the fresh water tank and excessive rinsing in the spring.  
    Sharon / 2017 T@B CSS / 2015 Toyota Sienna Minivan / Westlake, Ohio

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