S-25 BF Cast Iron In-Line Pump, 1/12 hp Zoom

S-25 BF Cast Iron In-Line Pump, 1/12 hp


Brand: Armstrong Pumps

Armstrong Pumps
Qty Price
/ each
$448.90 / box (2 units x $224.45)
In Stock! Ships in 24-48 Hours
(25 Available)


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

Description for Armstrong Pumps 174031MF-013

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 174031MF-043.

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

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 BF Cast Iron In-Line Pump, 1/12 hp

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