Hello,
I have a Sundance 3200RE fifthwheel and a few times a year we camp where the is no water. I use one of the yellow fill adapters with the clear hose on the end. I fill the tank very slowly or it will backflow into the little cubby where the value Handel's are. The problem is when the water starts coming out from the fill hole it's not full. I have checked the vent and it is confusing to me. If I blow air into the vent line with the fill hole open, air will come blowing back out of the vent line as soon as i stop blowing? Any air blown into the vent line should be going into the tank that has a 1.5" fill line (open) and zero pressure should be being built. Is there a check valve on the fill line?
I have a Sundance 3200RE fifthwheel and a few times a year we camp where the is no water. I use one of the yellow fill adapters with the clear hose on the end. I fill the tank very slowly or it will backflow into the little cubby where the value Handel's are. The problem is when the water starts coming out from the fill hole it's not full. I have checked the vent and it is confusing to me. If I blow air into the vent line with the fill hole open, air will come blowing back out of the vent line as soon as i stop blowing? Any air blown into the vent line should be going into the tank that has a 1.5" fill line (open) and zero pressure should be being built. Is there a check valve on the fill line?
