Eemax EX200TC ML 20KW 277V Thermostatic Multi Lav Voltage: 277V - proudly made in USA - power: 20.0kW Amperage: 72(2x36a)-two breakers - Dimensions: 10 inch W x 10 1/2 inch H x 3 inch D 1.5 GPM turn on minimum - temperature rise at 2.5 gpm-103deg F Stainless Steel 5/8" I.D. Compression (1/2" Copper pipe) at bottom of unit Field replaceable stainless Steel Elements