UPS1555SFC Features: -Stainless steel pump.-Material: stainless steel.-Quick connect terminals for easy installation.-Removable check valve eliminates the need for an in-line flow check.-Stainless steel your answer for corrosive and oxygen bearing fluids.-Patented electronic starting unit provides the highest starting torque of any circulators in its class.-Ceramic bearings ensures years of quiet, trouble-free operation.-Internal lip seal and filter keeps debris out of rotor can.-SF: two bolt flange (GF15/26).-Flow range: 0-25 US GPM.-Head range: 0"-216".-Motors: 2-pole, single-phase.-Max liquid temperature: 230 F (110 C).-Min liquid temperature: 36 F (2 C).-Max system pressure: 145 psi. Specifications: -ups15-55SFC 1/25 HP stainless steel circulator.-Voltage: 115 volts.-Hertz: 60 hz. Dimensions: -Dimensions: 6.5" H x 4.19" W x 5.25" D.