400 ltr poleman used to have 700 ltr tucker system but no better than diy 400 ltr with the right hose,pump will last longer anway water wise
inside tank about 100 ltr need to fill up to top first power up takes 2 hours for 300-400 to get warm but on the second go onwards starts heating straight away be carefull tho because if you leave for 4,5,6,hors youll have silly temp water