Well let me try to add the question... we followed the steps, draining, air compression in the city water line and pumped anti freeze but we see standing water in the bathroom drain we can't seem to drain. Will extra antifreeze take care of this?
If you don't have an air compressor is there another method? If you area only goes below 30 degrees every so often can you just do the antifreeze pouring and empty if hot water valve?
Welcome Mostrander.....glad to see someone in the neighborhood with a new Airstream....keep posting, asking questions etc... You will get the hang of it
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