Valterra Products, Inc. A01-0141VP Plastic Carded Removable Anti-Siphon Valve

Cleaning out the black water tank is essential for keeping it clean and smelling good. We use a garden hose with this anti-siphon valve to make sure the contents of the black tank do not end up backwashing into the fresh water supply. We have found that only after two uses, the threads on this are starting to come apart. We will be looking for a metal one very soon, most likely.

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