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    Leak from black tank flush - anti-siphon valve location? Bighorn Traveler 32rs

    Hi, we are having the same problem in our 2017 Heartland Bighorn fifth wheel 3575. Flooding from the basement ceiling when we use the sani flush. There is nothing behind the removable inspection plate in the shower. From the back of the water control valve I see the line for the sani flush go...
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    Sani flush check value

    Location of sani flush vacuum check value on Heartland Bighorn fifth wheel 3575EL
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