Grundfos UP43-44BF is a Bronze Circulator Pump (Grundfos SKU# 52722439) designed for use in both open and closed loop heating applications and well as hot water recirculation, cold water chilling and many others. High flow (high velocity) and low/medium pressure drop of the Grundfos UP43-44BF model make it ideal for use with water-to-water and water-to-air heat exchangers.

Features:

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

Technical Specifications of Grundfos UP43-44BF:

• Speeds: 1;
• Max flow: 67.8 GPM;
• Head max: 13.5 ft of head;
• Liquid temperature range: 32 - 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;
• Flangeto-flange dimensions: 8 1/2";
• Number of poles: 2;
• Max. power input: 215 W;
• Rated power - P2: 0.161 HP;
• Main frequency: 60 Hz;
• Voltage: 115V;
• Current in speed 3: 2.15 A;
• Capacitor size - run: 10mF/180 V;
• Insulation class (IEC 85): F;
• Weight: 15 lb;

Manufacturer's warranty:

2 years from date of installation.