3500 Series Boiler Feed Units - Max Temp. of 200° F

Boiler Feed Units - Steel
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Sterlco® 3500 Series Boiler Feed Units set new standards of performance. Reliable and efficient, each unit features heavy gauge, 3/16” steel receivers for long operating life.

In addition, 3450 RPM motors assure maximum efficiency while maintaining minimum motor horsepower. Available in a wide range of sizes, these U.S. made pumps have just the right accessories and options to meet your unique needs. What’s more, a nationwide network of stocking distributors means fast, easy, year-round access to pumps and replacement parts.



  • Standard Features
  • Optional Features
  • Resources

Standard Features

  • Heavy gauge steel receivers
  • Simplex or duplex construction
  • Bronze fitted centrifugal pumps
  • Energy efficient 3450 RPM motors
  • “Sterl-Seal” ceramic pump seal (250°F)
  • Heavy-duty make-up water valve
  • Isolation valves and strainers
  • Gauge Glass
  • Wide range of options and accessories

Optional Features

  • Stainless steel receivers
  • Electric alternator for duplex units
  • Thermometer
  • Solenoid operated make-up water valve with reverse acting float switch
  • McDonnel-Miller #21 make-up water valve
  • Special motor construction such as totally enclosed, washdown duty and explosion proof is available
  • 1750 RPM motors, larger pumping capacities and higher discharge pressures – consult factory
  • Custom sized tanks available
  • Complete NEMA 12 Control Panel


Why Choose 3500 Series Boiler Feed Units?


3500 Series Boiler Feed Units

Sterlco® Boiler Feed Units are designed to keep you running at peak performance and uniquely positioned to support your needs.