SR-30 277v Chronomite Instant-Flow SR Tankless Water Heater The Instant-Flow SR model is a great basic instant water heater for a wide variety of uses. It features a small size, low installation cost, and delivers unlimited hot water. It also meets the ADA requirements and is 99% Energy Efficient. This instant water heater fits great in lavatories, sinks, showers, and other special applications.Chronomite also integrates energy and water savings with cost savings and many features which contribute to a safer environment. With Chronomite, gas leaks are eliminated, and the self-cleaning feature of the microprocessor technology prevents alkali and calcification buildup, so there is less possibility for tank corrosion and flooding and less maintenance and operational costs.99% Energy EfficientCompact SizeEasy to InstallLow Installation CostUnlimited Hot WaterEnvironmentally FriendlyElement assembly is fabricated from Celcon plasticCoils are nichromeFaucet flow controls and compression fittings are suppliedComplies with Standards for: UL, IAMPO, California AB1953Meets ADA RequirementsMade in the USAChange T Temp Rise at 0.5 GPM: 57 degrees FWatts: 4160Volts: 277Amps: 20Minimum Operating Flow Rate: 0.4 GPMMinimum Operating Pressure: 25 PSIMaximum Operating Pressure: 150 PSIMaximum Operating Temperature: 140 degrees FHousing is fabricated from rugged cast aluminum alloySpace Saving Size: 6 1/4" x 9 5/8" x 2 3/4"