The 97855072 from Grundfos is a Deep Well Jet Pump, 1/2HP, 115/230V, Cast Iron. 

Features:

• Rugged cast iron construction
• End suction, top discharge arrangement
• Detachable ejector assembly for deep well applications
• Technopolymer impeller
• Convenient priming plug for ease of priming and air elimination
• Ceramic-carbon bellows mechanical seal ensures trouble-free operation
• High quality pressure switch
• Separate deep well port for connection to Deep Well Ejector Kit

Technical Specifications:

• Max. flow, GPM: 18;
• Max. pump head: 145ft;
• Max. working pressure: 116 PSI;
• Motor power: 1/2HP;
• Fluid temp range: 32 - 95F;
• Max. lift: 50ft;
• Max. ambient temp: 104F;
• Factory pressure switch setting: 30/50 PSI;
• Storage temp: 14 - 104F;
• Relative humidity: 95%;
• Max. starts per hour: 20;