Our 2020 doesn't have a shut off specifically for the Fridge.
46 Years RVing and no end in sight.
2018 Ram 3500 SB Limited, CC, 6.7/Aisin, 4X4, SRW. Comfort Ride Energy Absorbing Hitch.
2020 Cedar Creek Hathaway 34IK, Reese 19K Sidewinder PB.
Barbcedarcreek, we have a 2017 36CKTS hathaway Edition the refrigerator water valve is located just like Spock123 said on the drivers side just behind the wheels and it is up close to frame by the water drain see picture below. Look in the top left of the picture for the arrow showing where the valve is. It is a Push/Pull valve and is very hard to open or close.
2017 Cedar Creek 36 CKTS Hathaway
2015 GMC Sierra 3500 4x4 SRW CC