We own a 2016 Citation and I feel your pain. There is no gravity water inlet. Never even occurred to me to ask when we bought it because who the heck would build an RV that didn’t have a gravity fill? Sheesh. That said, we love everything else about the RV so it’s a trade-off.
We camp mostly at places that don’t offer pressurized water so it’s a challenge. The external water pump to a five gallon bucket is likely your best bet. Good luck and enjoy your new rig!
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