Quote:
Originally Posted by Carl n Susan
That is the anti-backflow device for the black tank flush lines. They are known to be a problem. You can replace it with another one - the brass ones last longer - or cut the lines down in the basement, join them together, and bypass the valve all together. Be sure to add an anti-backflow device at the black tank flush connector in the convenience center
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Many of the parks I’ve stayed in have anti- backflow devices on their potable water points. Is this the same device I should install on the flush connection?