The Myers MFNC Cast Iron Shallow Well Jet Pump's rugged cast iron casing ensures superior durability to the water or sprinkler system for your house, farm or cottage. Pentair tests all pumps before they leave the factory allowing you to purchase and install with confidence. Designed and manufactured by Pentair Myers, a trusted name in the industry.

Pump Casing Material:  Cast Iron

Voltage:  115/230V

Motor:  1/2 HP, Single Phase

Pressure Switch Setting:  30/50

Ports:  1-1/4" NPT Suction x 1" NPT Discharge

Maximum Water Temperature:  140 Degrees F

Duty Cycle:  Continuous

Speed:  3500 rpm

Frequency:  60 Hz

Series Specifications:

• MFNC Priming Time (in minutes): — 15’: 2.25 minutes max. — 25’: 6.5 minutes max 
• MFND Priming Time (in minutes): — 15’: 1.7 minutes max. — 25’: 4.4 minutes max. 
• Maximum Liquid Temperature: 140° F
• MFNC Maximum Inlet Pressure: 60 psi
• MFND Maximum Inlet Pressure: 50 psi
• MAX. Inlet PSI and Discharge PSI: Not to exceed 100 psi
• Body and Base: Close-grained cast iron 
• Nozzle: High-strength polycarbonate 
• Venturi: Polycarbonate
• Impeller: Noryl®
• Diffuser: Reinforced polypropylene
• Shaft: One piece threaded stainless steel

Series Features: 

• Quality Construction: Close-grained cast iron body and base, specially treated for corrosion resistance. Drain port provided for easy winterizing. 
• Built-In Jet: High-strength polycarbonate nozzle and venturi for maximum resistance to corrosion and abrasion. Clean out plug provided for ease of service. 
• Noryl Impeller: Precision-molded for perfect balance; ultra smooth for highest performance and efficiency. 
• Precision-Molded Diffuser: Pump primes faster, handles more air, with multi-port, precision-molded, reinforced polypropylene diffuser. 
• Mechanical Shaft Seal: Precision lapped and highly polished carbon-ceramic,stainless steel construction. Internal design guarantees continuous water lubrication. 
• Motor Windings: Superior insulation materials protect against excessive moisture and contaminants assure prolonged motor life. 
• Balanced Rotor: Die cast under high pressures for uniform performance and greater efficiency, dynamically balanced. 
• Heavy-Duty Ball Bearings: Sealed, permanently lubricated bearings, extensively tested to ensure extended life and smooth, quiet operation. 
• Pump and Motor Shaft: Stainless steel for maximum corrosion resistance; one piece threaded shaft for positive impeller drive and alignment. 
• Dust Proof Cover: All electrical components are protected from dirt, dust and insects by a dust proof canopy; ventilating air cannot contaminate vital switching components. 
• Pressure Switch: Adjustable cut-in and fixed differential (20 psi).

The MFN Series cast iron, self-priming shallow well jet pump provides strong performance with good pressure for wells to 25’ deep. Self-priming after the priming chamber has been filled with water.