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Armstrong 182202-643, Model E7.2, Series ARMflo E.2, Cast Iron Circulator, 1/6 HP, 120 Volts, Single Phase, 1.25

Armstrong 182202-643, Model E7.2, Series ARMflo E.2, Cast Iron Circulator, 1/6 HP, 120 Volts, Single Phase, 1.25" Connection, 0-38 gpm

SKU #: 182202-643
Brand: Armstrong

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Armstrong E7.2 Cast Iron Circulator

This energy efficient circulator, E.2 Series, is ideal for a wide range of heating or cooling applications.  It has been re-designed to improve durability and provide enhanced protection against leakage and water damage to electrical components.  It comes equipped with a permanent-split capacitor motor with thermal protection.  This circulator is permanently lubricated, so there's no requirement for maintenance during normal operation. When the mechanical seal wears out, it can be replaced in less than five minutes.


  • Redesigned with a larger, stainless steel shaft
  • New sealed, permanently lubricated bearings
  • Bellows-style mechanical seal with silicon carbide wear surfaces
  • New water slinger to protect motor against water intrusion
  • Easy to maintain and repair
  • Excellent duty-point efficiency helps to reduce energy consumption


  • Hot and chilled water recirculation
  • Domestic hot water generation
  • Snow-melt installations
  • Radiant heating systems
  • Geothermal heat pumps

Note: Flanges are sold separately.  Flange options include 816013-211, 816012-211, 816011-211, 816009-211.


Mfg Number182202-643
Model NumberE7.2
SeriesE.2 Dry Motor Circulator
ApplicationHeating or Cooling Systems
Horsepower1/6 HP
Voltage120 Volts
Frequency60 Hz
Speed3400 rpm
Motor TypeTwo pole
Full Load Current2.0 Amps
Flow Range0 - 38 gpm
Head Range0 - 26 ft
Temperature Range40 - 230 °F
Maximum Pressure150 psi
Impeller Material30% glass-filled noryl
Shaft MaterialStainless steel
Face plateStainless steel
Volute gasketEPDM
Pump HousingCast iron
Connection Type and Size1.25" 2–bolt flanges
Warranty3 years

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