Never seen an RV stool with a tank. Most are just dump style flush and you determine the amount of water you use. That is how people go several days with out dumping. Don't trust the sensors telling you it is full, MLH hit that spot on. We, like mtlakejim, use the burp method. If you reacting to the sensors you may be chasing a problem you don't have.
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2006 3000RK
2009 Ram 2500
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