The blue hose is the outdoor shower, the 2 ports under the hose are city water connection, black tank flush & fresh water tank fill.
The fresh water tank fill will be just a open hole. The city water connection will, or should have, a small white pin in the opening which is a back flow preventer. The black tank flush should just be a screened washer.
The T handles are drain valves for black tank & grey tank, there's possibly another hidden under the RV near the frame for a second grey tank.
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Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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