Forum Discussion

afinepoint's avatar
afinepoint
Explorer
Jul 24, 2013

Spec for black water tank is 34 gal yet 21 fills it???

The volumes for the black and grey water tanks in the RPM TH are 34 gallons each. When filling and flushing the black water tank I realized that after about 21 gallons water stood in the bowl and wou...
SteveB's avatar
SteveB
Explorer
Jul 26, 2013
The top of the tank can also sag, taking up some of the volume. The old tank in my Jayco was sagged a good 2" in the middle.

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