A Trusted Name Since 1986

Product Experts Available
CALL US: 1-800-429-0800

Armstrong 116476LF-133, Model H-64, Bronze In-Line Pump With 1-1/2

Armstrong 116476LF-133, Model H-64, Bronze In-Line Pump With 1-1/2" NPT Flanges, Series H, 3/4 HP, 115 Volts, 1 Phase, 55 GPM Max, 45 ft Max Head, Lead Free, Sleeve Bearing Design

SKU #: 116476LF-133
Brand: Armstrong

Available For Order! (Allow 7-10 Days to Ship Out)
Free Shipping


Order By Phone

Calculate Shipping

Ship Weight (89.00 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. Number116476LF-133
Product TypeIn-line circulator
ApplicationDomestic water systems
Horsepower3/4 HP
Voltage115 Volts
Frequency60 Hz
Speed1800 RPM
Motor TypeODP
DesignThree piece
Flanges1-1/2" NPT
Maximum Flow55 GPM
Maximum Head45 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

Call Our Sales Counter For Assistance, Price Quotes, Availability & To Place An Order

Inspector Pumphead & Our Customer Service Representatives Are Available
Mon-Fri 7:00 am to 6:00 pm EST
Sat 8:00 am to 4:30 pm EST

Call Toll Free: 800-429-0800

"Ask Inspector PumpHead"
For more information on Repair Parts for this item please visit our Repair Parts Center
or contact us at 1-800-429-0800

Related Parts