S-55-1 BF Cast Iron In-Line Pump, 1/2 HP Zoom

S-55-1 BF Cast Iron In-Line Pump, 1/2 HP


Brand: Armstrong Pumps

Armstrong Pumps
Qty Price
/ each
Non-Stock ItemAllow 2-3 Weeks to Ship Out


Max Flow (GPM): 122
Flow Range (GPM): 0-122
Max Head (Ft): 24
Hertz: 60
Material: Cast Iron
Fluid Temperature Range: 225°F
Type: Pump
Phase: 1
Horse Power:
Flange Size: 3"

Description for Armstrong Pumps 106284MF-132

Note: This item is for hydronic heating systems, and should not be used in potable water systems. For potable water systems, please refer to to 106284MF-133.

Armstrong S-55-1 BF In-Line Circulators are apart of the Series S. The 1/2 HP bronze fitted circulator pump is suitable for hydronic heating and cooling, domestic water systems, multi-stage zoning and general industrial service applications. Built using a standard three-piece design that features a radially-split body, oversized shaft, centrifugal impeller, positive mechanical seal and modular construction, Armstrong Pumps Series S Circulators are a trusted, durable product that have been used by HVAC professionals for decades.


  • Standard three-piece design
  • Radially-split body: Can be left in-line while servicing pump, eliminating disconnecting of pipes
  • Oversized shaft: Made from special alloy steel
  • Centrifugal impeller: Ensures maximum water delivery in the HVAC system
  • Positive mechanical seal: ARMseal construction ensures many years of noise-free, trouble-free service
  • Modular construction: Unique shaft and bearing module fits for ease of serviceability and reduced inventory costs

    PLEASE NOTE: The product weighs 82 lbs. and may require the use of a
    lift gate.
    If you do require a lift gate at your delivery, you'll have the option to add this FREE of charge when you checkout.
  • S-55-1 BF Cast Iron In-Line Pump, 1/2 HP

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