ES150 (1.3 Gallon) ES250 (2.5 Gallon) ES400 (4 Gallon) ES700 (6.5 Gallon)
Capacity 1.3 Gallons 2.5 Gallons 4 Gallons 6.5 Gallons
Max. Water Pressure 150 psi 150 psi 150 psi 150 psi
Temperature Range 50-149°F 50-149°F 50-149°F 50-149°F
Electrical Requirements (Amp/Volts) 12A / 120V 12A / 120V 12A / 120V 12A / 120V
Dimensions 11.42 W x 11.42 H x 9.65 D 12.95 W x 12.95 H x 11.5 D 14.5 W x 14.5 H x 12.9 D 17.7 W x 17.7 H x 14.6 D
Weight 11 lbs 15.4 lbs 19.8 lbs 26.5 lbs
Water Fittings 1/2" Male NPT 1/2" Male NPT 1/2" Male NPT 1/2" Male NPT
Relief Valve
Wire Type Plug-In Plug-In Plug-In Hard Wired