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Armstrong 110119LF-103, Model H-52, H-52, Bronze In-Line Pump With 1-1/4

Armstrong 110119LF-103, Model H-52, H-52, Bronze In-Line Pump With 1-1/4" NPT Flanges, Series H, 1/3 HP, 208-230/460 Volts, 3 Phase, 52 GPM Max, 26 ft Max Head, Lead Free, Sleeve Bearing Design

SKU #: 110119LF-103
Brand: Armstrong

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Ship Weight (48.00 lbs)


Armstrong Series H Circulator Pump

This Armstrong In-Line circulator is suitable for domestic hot water systems. It is built using a standard three-piece design that features a radially-split body, oversized shaft, centrifugal impeller, positive mechanical seal and modular construction. This circulator has been used by HVAC professionals for decades because it is cost-effective, durable and easy to maintain.


  • Standard three-piece design with sleeve - oil lubricated bearing
  • Radially-split body can be left in-line while servicing pump, eliminating disconnecting of pipes
  • Oversized shaft made from special alloy steel
  • Balanced centrifugal impeller ensures maximum water delivery in the HVAC system
  • Proven seal design made from strong and long-lasting materials for extended operating life
  • Three piece modular construction and back pull-out design for easy replacement of wear components
  • Certified ≤ 0.25 weighted average percent lead and complies with California Health and Safety Code Section 116875 (commonly known as ab1953)

Mfg. Number110119LF-103
Product TypeIn-line circulator
ApplicationDomestic water systems
Horsepower1/3 HP
Voltage208-230/460 Volts
Frequency60 Hz
Speed1800 RPM
Motor TypeODP
DesignThree piece
Flanges1-1/4" NPT
Maximum Flow52 GPM
Maximum Head26 ft
Impeller MaterialNon-ferrous
Pump BodyLead free bronze
Volute MaterialLead free bronze
Thermal Overload ProtectionNo
Maximum Fluid Temperature107°F
Maximum Operating Conditions175 psi at 225°F

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