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    2021 29G black water tanks

    I have a 2021 Momentum 29G. I have 2 black tanks and 1 grey tank. Does anyone know what the capacity is for the 2 black tanks? Manufacturer said capacity is 56 gallons. Is that split between the two tanks?

  2. #2
    Fireside Member naanderson321's Avatar
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    Quote Originally Posted by bmcsbennett View Post
    I have a 2021 Momentum 29G. I have 2 black tanks and 1 grey tank. Does anyone know what the capacity is for the 2 black tanks? Manufacturer said capacity is 56 gallons. Is that split between the two tanks?
    From what I can tell in our 29G, yes. And note the kitchen sink drains to the rear black tank. And the rear black tank does not have a built in flush like the front. We never use the rear toilet for poo.
    Neil and Joyce Anderson
    2021 Grand Design Momentum 29G
    2010 F350SD Dually / 2019 Harley Ultra Limited (Mine) / 2016 Harley Street Glide (Wife's)
    Might get to retire someday if we ever stop spending money!!

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