1.5 GPM 6.7 Kw Electric Tankless Water Heater for 2 Hand Sinks in Warm Climates Iheat S7 its manufactured in complete stainless steel boasting an IXP-4 water proof construction iHeat tankless S series is a lead free certified product Complies with Canadian and US safety standards. ETL approved. Allows you to choose a range of temperatures from 80 degree F to 140 degree F (recommended 120F) 2-UL Recognized,ETL Listed,NSF Listed