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Armstrong 116500LF-133, Model H-66, Bronze In-Line Pump With 2

Armstrong 116500LF-133, Model H-66, Bronze In-Line Pump With 2" NPT Flanges, Series H, 3/4 HP, 115 Volts, 1 Phase, 102 GPM Max, 30 ft Max Head, Lead Free, Sleeve Bearing Design

SKU #: 116500LF-133
Brand: Armstrong

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Ship Weight (110.00 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. Number116500LF-133
Product TypeIn-line circulator
ApplicationDomestic water systems
Horsepower3/4 HP
Voltage115 Volts
Frequency60 Hz
Speed1800 RPM
Motor TypeODP
DesignThree piece
Flanges2" NPT
Maximum Flow102 GPM
Maximum Head30 ft
Impeller MaterialCast lead free bronze
Pump BodyLead free bronze
Volute MaterialLead free bronze
Thermal Overload ProtectionYes
Maximum Fluid Temperature107°F
Maximum Operating Conditions175 psi at 225°F

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