I believe you are referring to the two drain hoses side by side which are actually overflow tubes. They are separate from the drain tube, which has the valve in it for draining. As far as I know, that is the only way to drain, unless you want to siphon water out, which would probably take longer.
2003 Ford F-350 V-10 Crew Cab 4WD Long Bed
2004 Jayco Designer Medallion 29 RLTS 5th wheel
Bill, Gayle, and Mindi (dachshund)
Retired at last !
Nothing is foolproof to a sufficiently talented fool.