Enjoy endless hot water throughout the home with this PowerStar 3.7 GPM Electric Tankless Water Heater provides enough hot water at 105 degrees Fahrenheit with a 55-degree Fahrenheit inlet. It features a space-saving design and overheats protection. This heater is designed to replace a 40-gallon tank to provide endless hot water throughout your home. The element and polymer canister are designed to optimize heat transfer and reduce scaling. The small product footprint fits in tight spaces. The flow sensor to provide a constant output temperature.