Rheem Performance Platinum 9.5 GPM Natural Gas Indoor Tankless Water Heater

Got this Rheem tankless water heater up for grabs. It's a high efficiency unit, great for saving space since it just mounts on the wall. It's the 9.5 GPM model so it can handle a couple showers going at once without any issues. Pretty much top of the line for getting endless hot water without that big bulky tank taking up room in the garage or basement. Brand new in the box, never installed.