2004 Southwind Black Tank Flush doesn't work
This morning I tried to use the built in Santi Flush black tank flushing system, which has worked in the past. Today it seems to be blocked and water will not flow through the system at all. Yes, t...
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The check valve is usually just behind where you screw on the hose. Under the three screws holding the plate on, and you will see it. It's about 3/4 of an inch long and normally prevents water from flowing out of the system water supply. I suppose that can get stuck. Push on the center button when there is no pressure in the system and you should feel it go in and come back out under spring pressure only.
