With A Noritz Tankless Water Heater You Will Get Endless Hot Water; Tankless Water Heaters Heat Water On Demand And That Means You Never Have To Worry About Running Out Of Hot Water. Imagine The Luxury Of Always Having Enough Hot Water To Enjoy A Relaxing Shower Or Fill A Hot Tub And Still Have An Endless Supply Of Hot Water For The Rest Of Your Household Needs. Cleaner Look Hides Piping Professional Finish Easy Installation