Tankless water heaters – pros and cons? December 30, 2024 at 4:56 pm #42311 IA_CamperParticipant Joined: Jan 2024 Posts: 154 Likes: 161LikeUp0::This pretty much sums up my experience with one. I set the thermostat to 103 and just ran my showers all on hot and it worked flawlessly for me after that.