Holding tank ?'s for the experts
I am looking for some help from the kind folks here. I know this forum is a wealth of information on all things RV. I have a 26' Nash with standard black and grey tanks. It seems that the black tank h...
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the shell is probably a casing around the tank with styrofoan insulation between both . not sure how to access it but google 'how a nash trailer is built' might show you .
