OVERVIEW: Being one of those limited choices with smart modulation heating, ECOTOUCH ECO90 tankless water heater provides instant & endless hot water with optimal thermal efficiency of 99.8% and minimum energy cost, thus, the tankless water heater heats up 1.5GPM water from 67℉ to 106℉ and will sure cut your electric bill. Designed with sturdy structure, it is a perfect solution for kitchen & bathroom sinks, dishwasher and washing machine and you could use it for shower purpose in southern area. MULTIPLE SAFETY PROTECTIONS: Over temperature protection Dry heating protection Leakage protection Water and electricity line separated ETL Approval SPECIFICATIONS: Color: Black Voltage: 240V~60Hz Wattage: 9kW Required Circuit Breaker : 1x 2-Pole 40 AMP Min Wire Size: 8 AWG/2 with Grounding Max. Amperage: 37.5A Minimum Water Flow to Activate: 0.5 Gallon/min Operating Water Pressure: 2.9PSI-87PSI Water Connection : 1/2" NPT Dimensions, Weight: 15.74" (H) x 10.24" (W) x 2.05" (D)，12Ibs KINDLY NOTE: 1.The unit is mainly for sinks ,dishwashers and washing machines, shower only applies to southern area of the United States. 2.Recommended to install a filter at the inlet to extend the service life of the water heater. 3.The tankless water heater should be installed professionally. 4.Please read instruction manual carefully prior to installation and use! 5.We will do best to serve and help at anytime necessary. PACKAGE INCLUDES: 1X ECO90B 9kW Instant Water Heater 1X Instruction Manual 1X Installation Accessories