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3/4 HP Cast Iron 3-Piece Oil-Lubricated Booster Hot Water Circulator Pump

  • Item# 4RD14
  • Mfr. Model# PD37S
  • Catalog Page# 3311
  • UNSPSC# 40151504
3/4 HP Cast Iron 3-Piece Oil-Lubricated Booster Hot Water Circulator Pump close
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  • Shipping Weight 71.0 lbs.
Country of Origin USA Country 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

Product Details

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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Technical Specs

  • Item Hot Water Circulator Pump
  • Pump Type 3-Piece Oil-Lubricated Booster
  • Series PD
  • HP 3/4
  • Voltage 115/230
  • Phase 1
  • Inlet/Outlet Size 3"
  • Connection Style Flanged
  • Face to Face Dimension 12"
  • Max. GPM @ Head 135 gpm @ 11 ft.
  • Best Efficiency GPM @ Head 85 gpm @ 21 ft.
  • Min. GPM @ Head 60 gpm @ 25 ft.
  • Shut-Off 30 ft.
  • Housing Material Cast Iron
  • Drive Type Direct
  • Length 20-1/4"
  • Width 8-1/8"
  • Loop Configuration Closed
  • Flange/Union Included Yes
  • Max. Operating Pressure 125 psi
  • Max. Temp. 225 Degrees F
  • Amps 7/3.5
  • RPM 1725
  • Number of Speeds 1
  • Thermal Protection Auto
  • Pump Mount Brass
  • Impeller Material Steel
  • Shaft Material C arbon/Ceramic
  • Manufacturers Warranty Length 1 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).

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