2021 Forest River Heritage Glen 338BAR
Didn't notice it when I did the walk through but climbed up on the roof the other day and noticed I only have 2 vent stacks. I have the 2 grays and a black tank. Is this the new norm or should I dem...
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"Demand" is a very harsh word!
Besides, one of the grey tanks (usually the kitchen) has an undercounter air relief valve and doesn't need a rooftop vent. Basic plumbing theory.
Besides, one of the grey tanks (usually the kitchen) has an undercounter air relief valve and doesn't need a rooftop vent. Basic plumbing theory.
