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Description
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 116432LF-133

Armstrong H-51 BF In-Line Circulators are apart of the Series H. The 1/4 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 H Circulators are a trusted, durable product that have been used by HVAC professionals for decades.

Features:
  • 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
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    Specs
    Max Head (Ft):
    24
    Max Flow (GPM):
    45
    Flow Range (GPM):
    0-45
    Voltage:
    115v
    Hertz:
    60
    Material:
    Cast Iron
    Fluid Temperature Range:
    225°F
    Horse Power:
    1/4
    Type:
    Pump
    Phase:
    1
    Flange Size:
    1"
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