Recently purchased a 2013 Blackstone with a 70 gallon water tank,water spewed out of breather tube and inlet upon filling at about 3/4 full.Tried refilling at low low pressure still spewed.Brought it ...
Get one of THESE . I use it to know exactly how much water I need for short trips. Don't want to haul too much or too little water for a weekend boondocker.