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Gooseneck in steam condensate tank vent
If the open vent for a steam condensate tank is indoors, what is the purpose of adding a gooseneck? There's no weather to worry about - is this about dust? If not, isn't it easier to keep possible steam discharge away from personnel if the venting pipe went straight upwards (to a point above the boiler water line)?
This comes from reading through Dan Holohan's The Lost Art of Steam Heating - I think I understand everything else going on with the vent.