GRUNDFOS CIRCULATOR PUMPS Section 5 - HVAC Hydronics & Backflow Suitable for Commercial and Residential Recirculation Grundfos UP 43-75 BF Grundfos UP 43-75 BF, Flanged Circulator. Cat. # Model # Pump Housing Material UP 43 (B) 45346 UP 43-75 BF Bronze HP 1/6 Max. Operating Pressure 145.04 PSI Connection Type Bronze Oval Flange Voltage 115V / 60 Hz Speed 3 AMPS 2.15A Grundfos UPS 50-44 F Grundfos UPS 50-44 F, 3 Speed, Round Flanged Circulator. Heating and air-conditioning systems and also used for central / district heating systems. Speed 2 AMPS N/A Speed 1 AMPS N/A Cat. # Model # Pump Housing Material UP 50 45347 UPS 50-44 F Cast Iron HP 1/4 Max. Operating Pressure 145.04 PSI Grundfos 15-42 F, UPS 15-58 FC, UPS 15-58 FRC Grundfos UPS three-speed circulator pump, for heating and air-conditioning systems: central / district heating systems. Connection Type Cast Iron Round Flange Voltage 230V / 60 Hz Speed 3 AMPS 0.9A Speed 2 AMPS 0.81A Speed 1 AMPS 0.74A Cat. # Model # Pump Housing Material UPS 15 45349 UPS 15-42 F 45350 UPS 15-58 FC 45351 UPS 15-58 FRC Cast Iron Cast Iron Cast Iron HP 3/25 3/25 3/25 Max. Operating Pressure 145.04 PSI 145.04 PSI 145.04 PSI MARK'S PLUMBING PARTS Connection Type Cast Iron Oval Flange Cast Iron Oval Flange Cast Iron Oval Flange Voltage 230V / 60 Hz 115V / 60 Hz 115V / 60 Hz WWW.MARKSPP.COM Speed 3 AMPS 0.41A 0.75A 0.75A Speed 2 AMPS 0.19A 0.66A 0.66A Speed 1 AMPS 0.14A 0.55A 0.55A 5-66Chttps://www.markspp.com/Catalog/Detail/253928 https://www.markspp.com/Catalog/Detail/253929?keyword=45347 https://www.markspp.com/Catalog/Detail/253936?keyword=45349 https://www.markspp.com/Catalog/Detail/253937 https://www.markspp.com/Catalog/Detail/253939?keyword=45351 http://WWW.MARKSPP.COM