Black Tank Flush
A few months ago my black tank flush stopped working. I attach the water supply and ... nothing. No water makes it way to the tank. I've check the hose, changed the hose, tried with and without the...
Forum Discussion
2 components that could be issue
1) Least likely....anti-siphon vacuum breaker (usually located under bath sink). They can fail to allow water to flow thru BUT typically when they fail the leak badly inside RV
2) Spray nozzle in tank. Holes get clogged from hard water (calcium etc) or from 'stuff' in tank sloshing up onto nozzle
As suggested.......leaving water connected MAY soften crud and allow flow.....BUT be CAUTIOUS
