S-25 AB Bronze In-Line Pump, 1/12 hp Zoom

S-25 AB Bronze In-Line Pump, 1/12 hp


Brand: Armstrong Pumps

Armstrong Pumps
174031-043 has been discontinued.
Direct Replacement:
SKU: 174031LF-043
Brand: Armstrong Pumps

Do not use this item for any installation or repair of potable water applications. This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only.




Max Flow (GPM): 32
Flow Range (GPM): 0-32
Max Head (Ft): 8
Hertz: 60
Material: Bronze
Fluid Temperature Range: 225°F
Horse Power:
Type: Pump
Phase: 1

Description for Armstrong Pumps 174031-043

Note:Image shown is Cast Iron Model

Armstrong S-25AB BF In-Line Circulators are apart of the Series S. The 1/12 HP all bronze 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.

Note: Flanges sold separately.


  • 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

  • S-25 AB Bronze In-Line Pump, 1/12 hp

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