ET110 ET180 ET270
kW 11 18 27
Voltage 240V 240V 240V
Temp. Range 80°F - 140°F 80°F - 140°F 80°F - 140°F
Max Amperage 46A 76A 114A
Required Breaker 2 x Double-POLE 30 AMP 2 x Double-POLE 40 AMP 3 x Double-POLE 40 AMP
Wire Gauge 2 x 12 AWG 2 x 8 AWG 3 x 8 AWG
Size 14.75" x 11.75" x 3.12" 17.12" x 13.12" x 3.12" 17.12" x 13.12" x 3.12"
Weight 12.10 lb 19.10 lb 20.30
Water Connections 1/2" NPT 3/4" NPT 3/4" NPT