Quote:
Originally Posted by nancydblack
We just emptied the tanks on our new 2019 Cougar 27SAB, and based on how they drained and using the black tank flush, we think the labels on the black and gray tank may be reversed. Is there another way to tell which valve is attached to which tank?
Thank you!
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Actually, you can usually determine this visually. The blank tank handle is usually attached to a large bore pipe; the gray tank handle is usually attached to a much smaller bore pipe.