Grundfos UPS43-44BFC (Grundfos SKU# 52722520) is a 3-speed bronze circulator pump with built-in check valve. Bronze housing of the Grundfos UPS43-44BFC allows to use this model in both closed and open loop systems, such as radiant heating, domestic water recirculation, solar, fan coils chiller water cooling and many others. 3 speeds (Low/Med/High) allow to adjust the pump's performance to match system's requirements, while built-in check valve eliminates the need to install a separate in line check valve.

Features:

• Ceramic shaft and radial bearings;
• Carbon axial bearing;
• Stainless steel rotor can and bearing plate;
• Corrosion-resistant impeller, Composite, PES;
• Bronze pump housing;
• Check valve;

Technical Specifications of Grundfos UPS43-44BFC:

• Speed Number: 3;
• Max flow: 63 US gpm;
• Head max: 14.1 ft;
• Liquid temperature range: 35.6 .. 230 F;
• Maximum operating pressure: 145 psi;
• Approvals on nameplate: UL, CSA;
• Pump housing: Bronze;
• Pump housing: DIN W.-Nr. 2.1176.01;
• Impeller: Composite, PES;
• Maximum ambient temperature: 104 F;
• Ambient max at 176 F liquid: 176 F;
• Maximum operating pressure: 145 psi;
• Flange standard: USA Oval;
• Type of connection: Bronze Flange;
• Pipe connection: 3/4", 1", 1-1/4" flange (GF 15/26);
• Pressure stage: 10;
• Port-to-port length: 8.1/2";
• Number of poles: 2;
• Power input in speed 1: 157 W;
• Power input in speed 2: 189 W;
• Max. power input: 203 W;
• Rated power - P2: 0.161 HP;
• Main frequency: 60 Hz;
• Voltage: 115V;
• Current in speed 1: 1.4 A;
• Current in speed 2: 1.7 A;
• Current in speed 3: 1.8 A;
• Capacitor size - run: 20mF/180 V;
• Insulation class (IEC 85): F;
• Gross weight: 13.5 lb;

Manufacturer's warranty:

2 years from date of installation.