FOGATTI InstaShower Ultra 66,000 BTU Tankless RV Water HeaterUpgrade your RV with the FOGATTI InstaShower Ultra 66,000 BTU tankless water heater. Designed to replace traditional 4 or 6 gal. tank units, it provides endless hot water for showers, cooking, and cleaning on the road. Delivering up to 3.6 GPM with precise ±1°F temperature control, this RV water heater ensures steady hot water even at high altitudes or in cold weather. Compact and easy to install, it includes a door, trim ring, pressure relief valve, and remote controller. CSA and ETL certified, and backed by a 2-year warranty, the InstaShower Ultra offers reliable, on-demand comfort for your RV adventures.