I have a 2021 337RLS 5th Wheel and it has a Furion Tankless Water heater. I realize that this my be a very basic question but I this is my first experience with a tankless water heater and I would like to know if there is any thing special that I have to do when winterizing the water heater? Just let the antifreeze flow through the Nautilus system and that is it? Thanks.
Joe Buskirk
Joe Buskirk
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