I don't know if the picture will show so I will describe. I don't know if my 2019 Wildwood has a bypass valve on the hot water heater. There are two valves. One on the cold line and one on...
Agree with the other posts here. I’ve got a 2019 Wildwood also, so my setup is just like this. Both valves should turn 1/4 turn clockwise. I just did mine tonight, and they were fairly tight as well. No pliers needed though, just held the valve with one hand while twisting with the other. Good luck!