I recommend upgrading to a Lippert Smart Jack Electric Trailer Jack # LC643589 on your 2021 Venture Stratus SR321VQB. With the Lippert jack you will no longer have to stand there and hold the switch for the jack to fully retract or deal with adjusting the hitch to the correct height when its time to hook up to your tow vehicle.
The jack has a memory feature that allows you to program the hitch height and quickly return to that height by pressing a sequence on the jack buttons. Once you... view full answer...