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Hot Water Circulator Pump, HD Series

Price $1,944.00 / each

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  • Item # 4RD02
  • Mfr. Model # HD3
  • UNSPSC # 40151504
  • Catalog Page # 3765
  • Shipping Weight 55.0 lbs.
Country of Origin USACountry of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • ItemHot Water Circulator Pump
  • Pump Type3-Piece Oil-Lubricated Booster
  • SeriesHD
  • HP1/3
  • Voltage115/230
  • Phase1
  • Inlet/Outlet Size3"
  • Connection StyleFlanged
  • Face to Face Dimension10"
  • Max. GPM @ Head112 gpm @ 4 ft.
  • Best Efficiency GPM @ Head70 gpm @ 12 ft.
  • Min. GPM @ Head19 gpm @ 18 ft.
  • Shut-Off18 ft.
  • Housing MaterialCast Iron
  • Drive TypeDirect
  • Length17-1/2"
  • Width7-9/16"
  • Loop ConfigurationClosed
  • Flange/Union IncludedYes
  • Max. Operating Pressure125 psi
  • Max. Temp.225 Degrees F
  • Amps4.2/2.1
  • RPM1725
  • Number of Speeds1
  • Thermal ProtectionAuto
  • Pump MountBrass
  • Impeller MaterialSteel
  • Shaft MaterialCarbon/Ceramic
  • Manufacturers Warranty Length1 yr.
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Compliance and Restrictions

  • This product has been certified by a third party to be compliant with the “Safe Drinking Water Act” requirements for low lead in potable (human consumption - drinking and cooking) and non-potable water applications (non-human consumption).


Hot Water Circulating Pumps
• 1-phase models are thermally protected Cast-iron units are not for potable water
3-Pc., Oil-Lubricated Booster
• Max. working pressure: 125 psi Max. working temp.: 225°F
Flexible spring-design coupler permits quiet operation. Sleeve bearings constantly circulate oil over bearing surfaces. Mechanical seal. Close centrifugal impeller/body tolerances minimize water slippage.

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