H Series Condensate Return

An elevated receiver unit using horizontal pumps, H Series pumping systems are available in simplex, duplex, triplex, or quadruplex configurations from 1,000 to 125,000 sq. ft. equivalent direct radiation or 7.5 to 1,000 boiler horsepower. H Series Condensate Return units can collect and quickly return condensate to the boiler feed unit using various pressures and flows. Pumping action is controlled by the water level inside the receiver and an integral float device is used to turn the pump(s) on and off. An attached horizontal pump and a 30-inch structural steel base stand are located below each receiver.


  • Corrosion-resistant steel receivers
  • Capacities from 1,000 to 125,000 sq. ft. EDR
  • Boiler hp from 7.5 to 1,000
  • 2′ NPSHR pump selections available (on select models)



H Series Brochure 2019
H Series Bulletin 2006
H Series OM 1990


  • Customizable control panels with multi-function capability and Building Management System integrations
  • Durable impeller and a mechanical seal
  • 2′ NPSHR pumps designed to handle the hottest of temperatures (HNS series only)
  • Special Viton seals available for 300ºF applications
  • Carbon steel receiver, variety of sizes available
  • 3/8″, 3/16″ thick-shell flat heads available
  • #304, #316 stainless steel receivers available
  • Dished heads available as an option